Flash firmware on Acer beTouch E400
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How to flash Acer beTouch E400?
Why reinstall the firmware?
Errors in the Android OS start to appear regularly.
Some applications do not open, reinstalling which does not lead to a positive result.
Some programs from the Play Market do not start.
The phone shuts down and restarts for no apparent reason.
The phone started to work slowly.
You want to update the firmware, as it does not suit you in terms of functionality.
Where can I find the firmware?
On the website of your phone manufacturer.
On specialized resources where users post custom or official OS.
What should be done before installing the firmware?
Back up your contacts and user data and transfer it to another medium.
Insert SD card. An SD card is needed to write firmware to it.
Find information about your smartphone model.
Fully charge your device.
Find and download the archive with Firmware. Place it on the SD card.
Installing TWRP Recovery
Download the Official TWRP App to your phone from the Play Market. And install this app.
When you start the application for the first time, you must agree to install the firmware, as well as agree to grant the application Superuser rights and click the 'OK' button.
On the next screen, you need to select the 'TWRP FLASH' item and give the application root-rights.
On the main screen of the application, click 'Select Device', and find your phone model.
After selecting a phone, the application will direct the user to a web page to download the modified recovery environment image file. Download the proposed *.img file.
After downloading the image file, go to the main screen of the Official TWRP App and press the 'Select a file to flash' button. Select the file downloaded in the previous step.
After adding the image file to the program, click the 'FLASH TO RECOVERY' button and confirm your choice, click 'OK'.
When the message 'Flash Completed Succsessfuly!' appears. Click 'OK'. The TWRP installation procedure is now complete.
Copy the required files to the SD card. Using a PC or laptop card reader, it will be much faster.
Insert a memory card into the phone.
To reboot into recovery, you need to enter the menu accessible by pressing the button with three stripes in the upper left corner of the main screen of the application. Select the 'Reboot' item, and then click on the 'REBOOT RECOVERY' button. The phone will reboot into the recovery environment automatically..
Firmware via TWRP
Before flashing, you need to delete all user data from the phone, this will avoid many problems. press 'WIPE' on the home screen.
Now you can start flashing. Click the 'Install' button.
The file selection screen is displayed. At the very top is the 'Storage' button, which allows you to switch between types of memory.
Select the location where you copied the files..
Find the file we need and click on it. A screen opens with a warning about possible negative consequences, as well as the item 'Zip signature verification'. This item should be checked by placing a cross in the check-box, which will avoid using damaged files when writing to the phone's memory sections.
The procedure for flashing the phone will begin, accompanied by the appearance of inscriptions in the log field and the movement of the progress bar.
When the procedure for installing the firmware is completed, the message 'Successful' appears on the screen.
Summary: OS: Android (2.1); Dimensions: 3.2 megapixels; Features: Autofocus, Geo tagging; Camcorder: Yes; Processor: 600 MHz; System memory: 256 MB RAM / 512 MB ROM; Storage expansion: microSD, microSDHC; Talk time: 5.00 hoursthe average is 11 h (671 min); Stand-by time: 16.7 days (400 hours)the average is 20 days (478 h); Capacity: 1090 mAh; Type: Li - Polymer; Music player Supported formats: MP3; YouTube player: Yes; Browser supports: HTML; Built-in online services support: Facebook; GSM: 850, 900, 1800, 1900 MHz; UMTS: 900, 2100 MHz; Data: HSDPA 7.2 Mbit/s, HSUPA 2 Mbit/s, UMTS, EDGE; Global Roaming: Yes; Positioning: A-GPS; Navigation: Yes; Phonebook: Unlimited entries, Calle ...
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