Flash firmware on Alcatel TRU
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How to flash Alcatel TRU?
Why reinstall the firmware?
Errors in the operation of the Android OS begin to appear.
Some installed applications stop opening.
Some applications from the Play Market do not start.
The phone turns off for no apparent reason.
The phone is slow.
You want to update your firmware.
Where can I find the firmware?
On the phone manufacturer's website.
On certain sites where developers post custom or official OS.
What should be done before installing the firmware?
Back up your contacts and user data and transfer it to your computer.
Insert an SD card into your phone to write the firmware to it.
Remember your smartphone model.
Fully charge your phone. If the battery runs out during boot, the device will no longer turn on.
Find and download the archive with Firmware. And place it on the SD card.
Installing TWRP Recovery
Install the Official TWRP App via the Play Market. And run this application.
When you start the application for the first time, you must consent to future manipulations, as well as consent to granting the application Superuser rights. Check the checkboxes and press the 'OK' button.
Going to the next screen, select the item 'TWRP FLASH' and provide the application with root-rights.
On the main screen of the application, select 'Select Device', and find your phone model.
After selecting a device, the program redirects the user to a web page to download the corresponding image file of the modified recovery environment. Download the suggested *.img file.
After downloading the image file, return to the main screen of the Official TWRP App and press the 'Select a file to flash' button. Then we tell the program the path where the file loaded in the previous step is located.
Now press the 'FLASH TO RECOVERY' button and confirm your choice, press 'OK'.
After the burn process is complete, the message 'Flash Completed Succsessfuly!' appears. Click 'OK'. The TWRP installation procedure can be considered complete..
Transfer the necessary files to the SD card. Using a PC or laptop card reader.
Insert a memory card into the device.
To reboot into recovery, you need to use a special item in the Official TWRP App menu, accessible by pressing the button with three stripes in the upper left corner of the main screen of the application. We open the menu, 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 clear the 'Cache' and 'Data' sections, press 'WIPE' on the main screen. You will delete all user data from the phone, this will avoid software errors and other problems.
Now you can start flashing. Press the 'Install' button.
The file selection screen appears. At the very top there is a 'Storage' button for selecting an SD card.
Select the location where you copied the files. Press the OK button.
Select the firmware file and click on it. A screen opens with a warning about possible negative consequences, you need to check the item 'Zip signature verification', which will avoid using damaged files during recording.
The procedure for writing files to the phone's memory will begin, this is accompanied by the appearance of inscriptions in the log field and the movement of the progress bar.
The completion of the firmware installation procedure is indicated by the inscription 'Successful'.
Summary: GSM frequencies: 850 900 1800 1900; Standard UMTS: 850 1700 1900; Standard LTE: FDD LTE: 1900, 1700, 700; Type: Touch; Dimensions (W x H x D): 141.00 x 71.50 x 9.90 mm; Weight: 167.00 g; Main display: Color / TFT16M colors480 x 854 px (5.00") 196 ppi; Display protection: Asahi Dragontrail; Talk time (max.): 2G: 840 min. (14.0 h); Stand-by (max.): 2G: 400 h (16.7 days); Standard battery: Li-Ion 2000 mAh; Quick battery charging: no; Internal memory: 8 GB; End-user memory: 4 GB; RAM memory: 1 GB; Memory cards: yes, microSD, microSDHC (up to 32 GB); Operating system: Android 5.1 Lollipop; Processor: Qualcomm Snapdragon 210 8909; Processor clock: 1.10 GHz; Nu ...
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