Flash A Full Firmware With Spft For Acer Iconia (mtk) Tablets (back To Original / Unbrick

Silent Angel

Qmobile Supporter
+ Moderator +
Registered ✔
Joined
Jan 20, 2015
Messages
621
Reaction score
1,099
Points
193

Devices compatible with this Guide :
  • A1-713
  • A1-713HD
  • A3-A20
  • A3-A20FHD
Download:
1 FlashTool:
- A1-713 & A1-713HD
- A3-A20 & A3-A20FHD

2 Firmware:
3. Driver
  • Download MTK Drivers : MTK_SP_Drivers_v1.4.rar (last one unsigned) or MTK_Signed_Drivers.zip (older but signed for Windows 8)
  • Open your Windows device manager
  • Remove your battery from your device, or unplug it, or make sure your device if off
  • Plug your device to your PC with USB cable (a good cable, on a direct back USB port, avoid front USB ports)
  • A "MTxx Preloader" device should appears for a few seconds, install drivers for it
  • Unplug, replug the USB cable, your device should be well regconized (a COM device in USB Ports & Com)

Flash the firmware
  • Download the Firmware archive and the SP Flash tool for your device
  • Unzip both SPFT and Firmware archives
  • Run flash_tool.exe has an administrator
  • The program can prompt that a scatter file is required, click on OK.
  • Click on "Scatter-loading" and choose the scatter MTxxx_Android_scatter_emmc.txt file from the Rework-Secrodirectory under the Firmware directory
  • You should have something like :

  • Make sure only SEC_RO partition is checked, you're in "Download Only" mode and click on "Download": SPFT is now waiting for a device a COM port to Flash
  • /!\Remember never use the Format pattern to download versions.
  • Remove your battery from your device, or unplug it, or make sure your device if off
  • Plug your device to your PC with USB cable (a good cable, on a direct back USB port, avoid front USB ports)
  • The flashing process will start automatically : do not unplug your USB cable !
  • Wait for a Green Circle saying the flash process is finished
  • /!\ Do NOT power on your device, it must be stay off
  • Now, Click on "Scatter-loading" and choose the scatter MTxxx_Android_scatter_emmc.txt file from the root Firmware directory
  • You should have something like :
  • /!\ It's recommended to uncheck the "PRELOADER" partition, you can try to make the process with this checked only if it failed before while unchecked.
  • Make sure the download pattern is “Firmware Upgrade”, and the firmware secro-sign.img is used instead of secro-sign.img from the previous folder
  • Click on "Download" : SPFT is now waiting for a device a COM port to Flash
  • Remove your battery from your device, or unplug it, or make sure your device if off
  • Plug your device to your PC with USB cable (a good cable, on a direct back USB port, avoid front USB ports)
  • The flashing process will start automatically : do not unplug your USB cable !
  • A red bar for COM loading, a purple bar for Preloader Flashing, a yellow bar for Firmware flashing
  • Wait for a Green Circle saying the flash process is finished
  • Close SPFT, unplug USB Cable, put back your battery, charge your device for 10min, try to boot it
 

halledj

New Member
Registered ✔
Joined
Feb 15, 2017
Messages
2
Reaction score
0
Points
1
Age
40
flasher avec infinity cm2 farmat ok
 

halledj

New Member
Registered ✔
Joined
Feb 15, 2017
Messages
2
Reaction score
0
Points
1
Age
40
Acer_AV0K0_A3-A20_1.018.00_WW_GEN1
 
Top

AdBlock Detected

We get it, advertisements are annoying!

Sure, ad-blocking software does a great job at blocking ads, but it also blocks useful features of our website. For the best site experience please disable your AdBlocker.

I've Disabled AdBlock