Download CWM Recovery, SPFT Firmware, Stock ROM For Acer Liquid Z520.

Firmware, Stock ROM,  Acer Liquid Z520. If you need firmware for your Acer Liquid Z520, today's I will share this firmware that fit with your Acer Liquid Z520. You can use this Firmware to flash your Acer Liquid Z520. Why you need this firmware ? I think you have something trouble on your Acer Liquid Z520. There are something happend to your phone, and most problem is bootloop.

What is bootloop ? All android fan say that bootloop is a problem that occured on an android system which the android system could not start up going to the homescreen menu. And it's happened is automatically return to the initial state on the first time when you turn on the Acer Liquid Z520 or Acer Liquid Z4. And the device will stop to display on the smartphone logo. So, On this state you can do anything on your Acer Liquid Z520 Device.

On this article I'll share link that can you download about firmware for your Acer Liquid Z520, This firmware is original firmware, most people call the original firmware with Stock ROM. At the android world we know about ROM, To flash or install your android device to factory standart we need original Stock ROM from developer, but if we want to flash or install our android with the other custom, like install a different ROM from the other platform, so.. we need Custom ROM.

And what is CWM ? CWM is called ClockworkMod, ClockworkMod recovery at Acer Liquid Z520 allows you to perform several advanced recovery, installation, restoration, and maintenance operations on your Acer Liquid Z520 Android device that aren’t possible with the stock recovery, and is one of the most common ways used to gain root access, back up device data, install custom ROMs, kernels, themes & mods, and more.

If you need CWM Recovery And firmware for your Acer Liquid Z520, you can download here by clicking download link bellow.

Custom Recovery Acer Liquid Z520.

1. Z520_150521__recovery_CWM_5.5.auto-Z520.img. Here
2. Z520_150521__recovery_CWM_6.0.4.4-Z520.img  Here

SPFT Firmwares Acer Liquid Z520.

1. Z520 Firmware - Images_Acer_AV0K0_Z520_1.010.00_EMEA_GEN1.zip (Dual SIM)  Here
/b>- Images_Acer_AV0K0_Z520_1.010.00_EMEA_GEN1S.zip (Single SIM)  Here

Stock ROM for Recovery Acer Liquid Z520.

1. update_Acer_AV0K0_Z410_1.004.00_EMEA_BGCs.zip  Here
2. update_Acer_AV0K0_Z520_1.003.00_EMEA_CUS1.zip  Here
3. update_Acer_AV0K0_Z520_1.003.00_EMEA_CUS1S-sds.zip  Here
4. update_Acer_AV0K0_Z520_1.010.00_EMEA_GEN1-sds.zip Here or Here
5. update_Acer_AV0K0_Z520_1.002.00_EMEA_GEN2-sds.zip  Here
6. update_Acer_AV0K0_Z520_1.002.00_EMEA_MTSS-sds.zip  here
7. update_Acer_AV0K0_Z520_0.004.00_AAP_GEN1.zip  Here

Guide To Flash / Install Firmware Acer Liquid JADE Z (S57) Using Flash Tool.

Flash / Install Firmware Acer Liquid JADE Z (S57). Guidebelajar on this guide will explain to you how to flashing android device on Acer Liquid JADE Z (S57) with easy and simple step. Flashing in android is the same way like fresh install on the windows PC, So by perform a flash on Android you will give a new performance like a new phone. One reason that you should perform a flash your android is because your android get bootloop or when you failed to install Stock ROM Mod. 

So, If you have any problems on Acer Liqud JADE Z (S57) bootloop or accidental Acer Liquid Z160 or liquid JADE Z (S57) is not installed recovery. In this guide I'm offering recovery twrp or Cwm. CMW is a recovery that already in recovery mode for customization of the device such that the Acer Liquid JADE Z (S57) or Z160 with a variety of additional functions in it such as backup / restore, installations and others that are not contained in the standard recovery mode. Generally, in case of a default recovery bootloop Acer Liquid JADE Z (S57) will go missing in case of bootloop. whereas the original recoery can not help when there hardbrick.

Now, follow the isntruction list bellow, do it with your own risk.

Prepare Flash Acer Liquid JADE Z (S57).

1. Latest SP Flash tool : Download Here
2. USB Driver Acer liquid JADE Z (S57) : Here
3. Firmware, download link avalable at the end of this post.
4. To ensure what is firmware used by your device, you can check by go to Setting ->About -> Software Information ->Build Number.

Flashing Acer Liquid JADE Z (S57).

1. At the first time, please Install driver for Acer Liquid JADE Z (S57) that already downloaded before. Then remove your back case, battery, sim card and SD Card  if installed
2. Then, Connect your Acer liquid JADE Z (S57) to Computer, while holding the power button and volume up. The PC will detect the new hardware, just ignore it. 
3. Then, release USB data cable from the PC.
4. Open SP flash tool software and click scatter load. find acer JADE Z (S57) scatter storage location earlier.
5. Then , On the file recovery you should give a checklist. click recovery and select the desired recovery. whether use TWRP or CWM.
6. Then, click download
7. Next step is plug your Acer Liquid JADE Z (S57) to your PC (without SIM Card, or SD Card)
8. Wait process untill finished
9. Next, Disconnect your Acer Liquid JADE Z (S57) from your PC.
10. Enter recovery Mode by : Press Power Button + Volume UP. select Recovery .
11. Finally install Stockrom or original firmware (you can find link at the end of this post)
12. Reboot your phone.
13. Success.

Download Custom Recovery.

CWM Acer Liquid JADE Z (S57) Here

Firmware Acer Liquid Z410 Dual SIM

1. Firmware Acer_-AV0K0_S57_=1.007.00-_EMEA_GEN1.zip   Here
2. Firmware Acer_-AV0K0=_S57_-=1.009.00_EMEA_GEN1.zip  Here
3. Firmware Acer-_AV0K0_S57_=1.015.00_-EMEA=_GEN1.zip  Here

Guide To Flash / Install Firmware Acer Liquid Z500 Using Flash Tool.

Flash / Install Firmware Acer Liquid Z500. Guidebelajar on this guide will explain to you how to flashing android device on Acer Liquid Z500 with easy and simple step. Flashing in android is the same way like fresh install on the windows PC, So by perform a flash on Android you will give a new performance like a new phone. One reason that you should perform a flash your android is because your android get bootloop or when you failed to install Stock ROM Mod. 

So, If you have any problems on Acer Liqud Z500 bootloop or accidental Acer Liquid Z160 or liquid Z500 is not installed recovery. In this guide I'm offering recovery twrp or Cwm. CMW is a recovery that already in recovery mode for customization of the device such that the Acer Liquid Z500 or Z160 with a variety of additional functions in it such as backup / restore, installations and others that are not contained in the standard recovery mode. Generally, in case of a default recovery bootloop Acer Liquid Z500 will go missing in case of bootloop. whereas the original recoery can not help when there hardbrick.

Now, follow the isntruction list bellow, do it with your own risk.

Prepare Flash Acer Liquid Z500.

1. Latest SP Flash tool : HereOr Download 
2. USB Driver Acer liquid Z500 : Here
3. Firmware, download link available at the end of this post.

To ensure what is firmware used by your device, you can check by go to Setting ->About -> Software Information ->Build Number.

Flashing Acer Liquid Z500.

1. At the first time, please Install driver for Acer Liquid Z500 that already downloaded before. Then remove your back case, battery, sim card and SD Card  if installed
2. Then, Connect your Acer liquid Z500 to Computer, while holding the power button and volume up. The PC will detect the new hardware, just ignore it. 
3. Then, release USB data cable from the PC.
4. Open SP flash tool software and click scatter load. find acer Z500 scatter storage location earlier.
5. Then , On the file recovery you should give a checklist. click recovery and select the desired recovery. whether use TWRP or CWM.
6. Then, click download
7. Next step is plug your Acer Liquid Z500 to your PC (without battery, SIM Card, or SD Card)
8. Wait process untill finished
9. Next, Disconnect your Acer Liquid Z500 from your PC.
10. Enter recovery Mode by : Press Power Button + Volume UP. select Recovery .
11. Finally install Stockrom or original firmware (you can find link at the end of this post)
12. Reboot your phone.
13. Success. 

Download CWM Recovery.

1. CarlivTouch-recovery-3-_Z500-Shreps.img Here
2. CWM_6.0.5.0--Z500_Shreps.img  Here

Firmware Acer Liquid Z 2500 Single SIM

Acer_2-AV0K0_Z500_1.012.00-EMEA=GEN1s.7z  Here

Firmware Acer Liquid Z 2500 Dual SIM

Acer_AV0K0_Z500_-1.012.00_EMEA_12GEN1.zip Here

Guide To Flash / Install Firmware Acer Liquid Z205 Using Flash Tool.

Flash / Install Firmware Acer Liquid Z205. Guidebelajar on this guide will explain to you how to flashing android device on Acer Liquid Z205 with easy and simple step. Flashing in android is the same way like fresh install on the windows PC, So by perform a flash on Android you will give a new performance like a new phone. One reason that you should perform a flash your android is because your android get bootloop or when you failed  to install Stock ROM Mod. 

Do you know what is bootloop, Ok.. now I will explain to you what si bootloop. Some people say that bootloop is a problem that occured on an android system which the android system could not start up going to the homescreen menu. And it's happened is automatically return to the initial state on the first time when you turn on the Acer Liquid Z205. And the device will stop to display on the smartphone logo.

So, If you have any problems on Acer Liqud Z205 bootloop or accidental Acer Liquid Z160 or liquid Z205 is not installed recovery. In this guide I'm offering recovery twrp or Cwm. CMW is a recovery that already in recovery mode for customization of the device such that the Acer Liquid Z205 or Z160 with a variety of additional functions in it such as backup / restore, installations and others that are not contained in the standard recovery mode. Generally, in case of a default recovery bootloop Acer Liquid Z205 will go missing in case of bootloop. whereas the original recoery can not help when there hardbrick.

Now, follow the isntruction list bellow, do it with your own risk.

Prepare Flash Acer Liquid Z205.

1. Latest SP Flash tool : Here
2. USB Driver Acer liquid Z205 : Here
3. Firmware, download link avalable at the end of this post.
4. To ensure what is firmware used by your device, you can check by go to Setting ->About -> Software Information ->Build Number.

Flashing Acer Liquid Z205.

1. At the first time, please Install driver for Acer Liquid Z205 that already downloaded before. Then remove your back case, battery, sim card and SD Card  if installed
2. Then, Connect your Acer liquid Z205 to Computer, while holding the power button and volume up. The PC will detect the new hardware, just ignore it. 
3. Then, release USB data cable from the PC.
4. Open SP flash tool software and click scatter load. find acer Z205 scatter storage location earlier.
5. Then , On the file recovery you should give a checklist. click recovery and select the desired recovery. whether use TWRP or CWM.
6. Then, click download
7. Next step is plug your Acer Liquid Z205 to your PC (without battery, SIM Card, or SD Card)
8. Wait process untill finished
9. Next, Disconnect your Acer Liquid Z205 from your PC.
10. Enter recovery Mode by : Press Power Button + Volume UP. select Recovery .
11. Finally install Stockrom or original firmware (you can find link at the end of this post)
12. Reboot your phone.
13. Success.

Firmware Acer Liquid Z205 

1. Firmware Acer_AV0K0_Z205P_1.002.10_EMEA_TMOHRS.zip Here
2. Firmware Acer_AV0K0_-Z205P_-1.002.10_EMEA_TMORO.zip Here

Download CWM Recovery And Firmware Acer Liquid Z3 (Z130).

Firmware Acer Liquid Z3 (Z130). If you need firmware for your Acer Liquid Z3 (Z130), today's I will share this firmware that fit with your Acer Liquid Z3 (Z130). You can use this Firmware to flash your Acer Liquid Z3 (Z130). Why you need this firmware ? I think you have something trouble on your Acer Liquid Z3 (Z130). There are something happend to your phone, and most problem is bootloop.

On this article I'll share link that can you download about firmware for your Acer Liquid Z3 (Z130), This firmware is original firmware, most people call the original firmware with Stock ROM. At the android world we know about ROM, To flash or install your android device to factory standart we need original Stock ROM from developer, but if we want to flash or install our android with the other custom, like install a different ROM from the other platform, so.. we need Custom ROM.

And what is CWM ? CWM is called ClockworkMod, ClockworkMod recovery at Acer Liquid Z3 (Z130) allows you to perform several advanced recovery, installation, restoration, and maintenance operations on your Acer Liquid Z3 (Z130) Android device that aren’t possible with the stock recovery, and is one of the most common ways used to gain root access, back up device data, install custom ROMs, kernels, themes & mods, and more.

If you need CWM Recovery And firmware for your Acer Liquid Z3 (Z130), you can download here by clicking download link bellow.

Download CWM.

CWM Recovery Z3 (Z130)  Here

Firmware Acer Liquid Z3 (Z130) Dual SIM

1. Firmware Acer_AV052_Z130_1.012.00_EMEA_GEN Here

Firmware Acer Liquid Z3 (Z130) Single SIM

1. Firmware Acer_AV052_Z130_1.006.00_EMEA_GEN1s Here

Download CWM Recovery And Firmware Acer Liquid Z205.

Firmware Acer Liquid Z205. If you need firmware for your Acer Liquid Z205, today's I will share this firmware that fit with your Acer Liquid Z205. You can use this Firmware to flash your Acer Liquid Z205. Why you need this firmware ? I think you have something trouble on your Acer Liquid Z205. There are something happend to your phone, and most problem is bootloop.

What is bootloop ? All android fan say that bootloop is a problem that occured on an android system which the android system could not start up going to the homescreen menu. And it's happened is automatically return to the initial state on the first time when you turn on the Acer Liquid Z205 or Acer Liquid Z4. And the device will stop to display on the smartphone logo. So, On this state you can do anything on your Acer Liquid Z205 Device.

On this article I'll share link that can you download about firmware for your Acer Liquid Z205, This firmware is original firmware, most people call the original firmware with Stock ROM. At the android world we know about ROM, To flash or install your android device to factory standart we need original Stock ROM from developer, but if we want to flash or install our android with the other custom, like install a different ROM from the other platform, so.. we need Custom ROM.

And what is CWM ? CWM is called ClockworkMod, ClockworkMod recovery at Acer Liquid Z205 allows you to perform several advanced recovery, installation, restoration, and maintenance operations on your Acer Liquid Z205 Android device that aren’t possible with the stock recovery, and is one of the most common ways used to gain root access, back up device data, install custom ROMs, kernels, themes & mods, and more.

If you need CWM Recovery And firmware for your Acer Liquid Z205,

you can download here by clicking download link bellow.

Download CWM.

CWM Recovery Z205  Here

Firmware Acer Liquid Z205 Dual SIM

1. Firmware Acer_AV0K0_Z205P_1.002.10_EMEA_TMOHRS.zip Here
2. Firmware Acer_AV0K0_-Z205P_-1.002.10_EMEA_TMORO.zip Here

Download CWM Recovery And Firmware Acer Liquid Z200.

Firmware Acer Liquid Z200. If you need firmware for your Acer Liquid Z200, today's I will share this firmware that fit with your Acer Liquid Z200. You can use this Firmware to flash your Acer Liquid Z200. Why you need this firmware ? I think you have something trouble on your Acer Liquid Z200. There are something happend to your phone, and most problem is bootloop.

What is bootloop ? All android fan say that bootloop is a problem that occured on an android system which the android system could not start up going to the homescreen menu. And it's happened is automatically return to the initial state on the first time when you turn on the Acer Liquid Z200 or Acer Liquid Z4. And the device will stop to display on the smartphone logo. So, On this state you can do anything on your Acer Liquid Z200 Device.

On this article I'll share link that can you download about firmware for your Acer Liquid Z200, This firmware is original firmware, most people call the original firmware with Stock ROM. At the android world we know about ROM, To flash or install your android device to factory standart we need original Stock ROM from developer, but if we want to flash or install our android with the other custom, like install a different ROM from the other platform, so.. we need Custom ROM.

And what is CWM ? CWM is called ClockworkMod, ClockworkMod recovery at Acer Liquid Z200 allows you to perform several advanced recovery, installation, restoration, and maintenance operations on your Acer Liquid Z200 Android device that aren’t possible with the stock recovery, and is one of the most common ways used to gain root access, back up device data, install custom ROMs, kernels, themes & mods, and more.

If you need CWM Recovery And firmware for your Acer Liquid Z200, you can download here by clicking download link bellow.

Download CWM.

CWM Recovery Z200 Here

Firmware Acer Liquid Z200 Dual SIM

1. Acer_AV0K0_Z200_1.009.00_EMEA_GEN1 Here
2. Acer_AV0K0_Z200_-1.021.00_-EMEA_GEN1.zip Here

Download CWM Recovery And Firmware Acer Liquid Z 2500.

Firmware Acer Liquid Z 2500. If you need firmware for your Acer Liquid Z 2500, today's I will share this firmware that fit with your Acer Liquid Z 2500. You can use this Firmware to flash your Acer Liquid Z 2500. Why you need this firmware ? I think you have something trouble on your Acer Liquid Z 2500. There are something happend to your phone, and most problem is bootloop.

What is bootloop ? All android fan say that bootloop is a problem that occured on an android system which the android system could not start up going to the homescreen menu. And it's happened is automatically return to the initial state on the first time when you turn on the Acer Liquid Z 2500 or Acer Liquid Z4. And the device will stop to display on the smartphone logo. So, On this state you can do anything on your Acer Liquid Z 2500 Device.

On this article I'll share link that can you download about firmware for your Acer Liquid Z 2500, This firmware is original firmware, most people call the original firmware with Stock ROM. At the android world we know about ROM, To flash or install your android device to factory standart we need original Stock ROM from developer, but if we want to flash or install our android with the other custom, like install a different ROM from the other platform, so.. we need Custom ROM.

And what is CWM ? CWM is called ClockworkMod, ClockworkMod recovery at Acer Liquid Z 2500 allows you to perform several advanced recovery, installation, restoration, and maintenance operations on your Acer Liquid Z 2500 Android device that aren’t possible with the stock recovery, and is one of the most common ways used to gain root access, back up device data, install custom ROMs, kernels, themes & mods, and more.

If you need CWM Recovery And firmware for your Acer Liquid Z 2500, you can download here by clicking download link bellow.

Download CWM Recovery.

1. CarlivTouch-recovery-3-_Z500-Shreps.img Here
2. CWM_6.0.5.0--Z500_Shreps.img Here

Firmware Acer Liquid Z 2500 Single SIM

1. Acer_2-AV0K0_Z500_1.012.00-EMEA=GEN1s.7z Here

Firmware Acer Liquid Z 2500 Dual SIM

1. Acer_AV0K0_Z500_-1.012.00_EMEA_12GEN1.zip Here

Download CWM Recovery And Firmware Acer Liquid Z410.

Firmware Acer Liquid Z410. If you need firmware for your Acer Liquid Z410, today's I will share this firmware that fit with your Acer Liquid Z410. You can use this Firmware to flash your Acer Liquid Z410. Why you need this firmware ? I think you have something trouble on your Acer Liquid Z410. There are something happend to your phone, and most problem is bootloop.

What is bootloop ? All android fan say that bootloop is a problem that occured on an android system which the android system could not start up going to the homescreen menu. And it's happened is automatically return to the initial state on the first time when you turn on the Acer Liquid Z410 or Acer Liquid Z4. And the device will stop to display on the smartphone logo. So, On this state you can do anything on your Acer Liquid Z410 Device.

On this article I'll share link that can you download about firmware for your Acer Liquid Z410, This firmware is original firmware, most people call the original firmware with Stock ROM. At the android world we know about ROM, To flash or install your android device to factory standart we need original Stock ROM from developer, but if we want to flash or install our android with the other custom, like install a different ROM from the other platform, so.. we need Custom ROM.

And what is CWM ? CWM is called ClockworkMod, ClockworkMod recovery at Acer Liquid Z410 allows you to perform several advanced recovery, installation, restoration, and maintenance operations on your Acer Liquid Z410 Android device that aren’t possible with the stock recovery, and is one of the most common ways used to gain root access, back up device data, install custom ROMs, kernels, themes & mods, and more.

If you need CWM Recovery And firmware for your Acer Liquid Z410,

you can download here by clicking download link bellow.

Download.

CWM Recovery Z410 (recovery--CWM-Mod-Carliv_Z410_Shreps.img) Here

Firmware Acer Liquid Z410 Single SIM

1. Acer_AV0K0_Z410_--1-000.00_EMEA_GEN1s.zip Here
2. Acer_AV0K0_Z410_-1.=005.00_EMEA_GEN1s.zip Here

Firmware Acer Liquid Z410 Dual SIM 

1. Firmware, Acer_-AV0K0_-Z410_1.002.00_EMEA_GEN1.zip Here
2. Firmware, Acer_AV0K0_Z410-.015.00_EMEA_GEN1.zip Here

Guide To Flash / Install Firmware Acer Liquid Z410 Using Flash Tool.

Flash / Install Firmware Acer Liquid Z410. Guidebelajar on this guide will explain to you how to flashing android device on Acer Liquid Z410 with easy and simple step. Flashing in android is the same way like fresh install on the windows PC, So by perform a flash on Android you will give a new performance like a new phone. One reason that you should perform a flash your android is because your android get bootloop or when you failed to install Stock ROM Mod. 

So, If you have any problems on Acer Liqud Z410 bootloop or accidental Acer Liquid Z160 or liquid Z410 is not installed recovery. In this guide I'm offering recovery twrp or Cwm. CMW is a recovery that already in recovery mode for customization of the device such that the Acer Liquid Z410 or Z160 with a variety of additional functions in it such as backup / restore, installations and others that are not contained in the standard recovery mode. Generally, in case of a default recovery bootloop Acer Liquid Z410 will go missing in case of bootloop. whereas the original recovery can not help when there hardbrick.

Now, follow the instruction list bellow, do it with your own risk.

Prepare Flash Acer Liquid Z410.

1. Latest SP Flash tool : Here
2. USB Driver Acer liquid Z410 : HereAlternative Link 
3. Mtk Droit Tool : Here
4. MT65xx USB Driver , Here
5. MT6577 USB Vcom Driver, Here
6. Firmware, download link avalable at the end of this post.
7. To ensure what is firmware used by your device, you can check by go to Setting ->About -> Software Information ->Build Number.

Flashing Acer Liquid Z410.

1. At the first time, please Install driver for Acer Liquid Z410 that already downloaded before. Then remove your back case, battery, sim card and SD Card  if installed
2. Then, Connect your Acer liquid Z410 to Computer, while holding the power button and volume up. The PC will detect the new hardware, just ignore it. 
3. Then, release USB data cable from the PC.
4. Open SP flash tool software and click scatter load. find acer Z410 scatter storage location earlier.
5. Then , On the file recovery you should give a checklist. click recovery and select the desired recovery. whether use TWRP or CWM.
6. Then, click download
7. Next step is plug your Acer Liquid Z410 to your PC (without battery, SIM Card, or SD Card)
8. Wait process untill finished
9. Next, Disconnect your Acer Liquid Z410 from your PC.
10. Enter recovery Mode by : Press Power Button + Volume UP. select Recovery .
11. Finally install Stockrom or original firmware (you can find link at the end of this post)
12. Reboot your phone.
13. Success.

Download Custom Recovery.

Custom ROM Z410 (recovery--CWM-Mod-Carliv_Z410_Shreps.img) Here

Acer Liquid Z410 Single SIM

1. Acer_AV0K0_Z410_--1-000.00_EMEA_GEN1s.zip Here
2. Acer_AV0K0_Z410_-1.=005.00_EMEA_GEN1s.zip Here

Acer Liquid Z410 Dual SIM

1. Firmware, Acer_-AV0K0_-Z410_1.002.00_EMEA_GEN1.zip Here
2. Firmware, Acer_AV0K0_Z410-.015.00_EMEA_GEN1.zip Here

Guide To Flash / Install Firmware Acer Liquid Z520 Using Flash Tool.

Flash / Install Firmware Acer Liquid Z520. Guidebelajar on this guide will explain to you how to flashing android device on Acer Liquid Z520 with easy and simple step. Flashing in android is the same way like fresh install on the windows PC, So by perform a flash on Android you will give a new performance like a new phone. One reason that you should perform a flash your android is because your android get bootloop or when you failed to install Stock ROM Mod. 

So, If you have any problems on Acer Liqud Z520 bootloop or accidental Acer Liquid Z160 or liquid Z520 is not installed recovery. In this guide I'm offering recovery twrp or Cwm. CMW is a recovery that already in recovery mode for customization of the device such that the Acer Liquid Z520 or Z160 with a variety of additional functions in it such as backup / restore, installations and others that are not contained in the standard recovery mode. Generally, in case of a default recovery bootloop Acer Liquid Z520 will go missing in case of bootloop. whereas the original recoery can not help when there hardbrick.

Now, follow the isntruction list bellow, do it with your own risk.

Prepare Flash Acer Liquid Z520.

1. SP Flash tool Version 5 : Here
2. USB Driver Acer liquid Z520 : Here
3. Mtk Droit Tool : Here
4. MT6577 driver usb vcom, Here
5. Firmware, download link avalable at the end of this post.
6. To ensure what is firmware used by your device, you can check by go to Setting ->About -> Software Information ->Build Number.

Flashing Acer Liquid Z520.

1. First you need Download and extract the SP Flash Tool and Mediatek USB VCOM drivers
2. Install all the driver if you have not already installed
3. Download and extract your ROM package and find the scatter.txt file.
4. Run Flash_tool.exe then click Scatter-loading button to load the correct scatter file
5. Turn off your Acer Liquid Z520, remove the battery and replace it after some seconds (and don't turn on the Acer Liquid Z520).
6.  Press F9 (or hit Download button) and connect your Acer Liquid Z520 into the computer via USB data cable. The process will start and a red progress bar will appear.
7. After the red progress bar is complete, there will appear a purple progress bar.
8. Right after the purple progress bar is complete, a message will appear underneath it:
9. “Please insert USB cable in 3 seconds” and then the download will start right away (you will see the yellow progress bar filling up).
10. When the yellow bar is complete, you'll get a popup with a green circle and Download OK message, which means that the process has been successfully terminated.
11. You can now safely disconnect your Acer Liquid Z520 and turn it on. The process ends here.
12. Finish

Download Firmware Acer Liquid Z520. Single. Here

Download Firmware Acer Liquid Z520. Dual SIM Here