DESCRIPTION

HOW FLASHER ?
(Translation explanations Acer site )
Turn off the phone.
Copy file update.xxx.zip on a microSD card ( the root and without decompressing the zip) and insert it into the phone.
Press [ Power] and [Vol +] . This will apparaire a menu with three choices.
Use [Vol +] to navigate the menu, chose [ Recovery Mode] and [Vol -] button to confirm the selection.
Android robot with sign / ! Appears on the screen , press [ Power] .
Use the [ Vol- ] button to move through the menu, select "apply update from external sdcard" and press [Vol +] to confirm.
Select the update file (eg update_Acer_AV052_Z150_1.001.00_EMEA_GEN1.zip ) .
The process of updating starts and the phone returns year after menu .
( Optional) Select " wipe data / factory reset 'and ' Yes' to confirm and delete all user data to do in case of problems .
Finally, choose " Reboot system now " to restart the téléphone.COMMENT FLASHER ?
(Translation explanations Acer site )
Turn off the phone.
Copy file update.xxx.zip on a microSD card ( the root and without decompressing the zip) and insert it into the phone.
Press [ Power] and [Vol +] . This will apparaire a menu with three choices.
Use [Vol +] to navigate the menu, chose [ Recovery Mode] and [Vol -] button to confirm the selection.
Android robot with sign / ! Appears on the screen , press [ Power] .
Use the [ Vol- ] button to move through the menu, select "apply update from external sdcard" and press [Vol +] to confirm.
Select the update file (eg update_Acer_AV052_Z150_1.001.00_EMEA_GEN1.zip ) .
The process of updating starts and the phone returns year after menu .
( Optional) Select " wipe data / factory reset 'and ' Yes' to confirm and delete all user data to do in case of problems .
Finally , select ' Reboot system now' to reboot the phone .

※Please make a backup of your device before installing or updating ROM