Hello mates i would like to share the solution for betouch e140 acer logo only..
when you turn on the phone it stucks on acer logo..
I try to do the Hard reset but it didnt work..
so here's the solution:
Download flasher/firmware updater & Usb driver..
FIRMWARE UPDATER
USB DRIVER
To set the phone to download mode press VOLUME UP & DOWN + POWER
Image for reference:
AFTER FLASHING
DONE..thanks for viewing
when you turn on the phone it stucks on acer logo..

I try to do the Hard reset but it didnt work..
so here's the solution:
Download flasher/firmware updater & Usb driver..
FIRMWARE UPDATER
USB DRIVER
To set the phone to download mode press VOLUME UP & DOWN + POWER
Image for reference:

AFTER FLASHING
DONE..thanks for viewing