Flash firmware on Allview V2 Viper L
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How to flash Allview V2 Viper L?
Why reinstall the firmware?
Errors constantly appear in the Android OS.
Some applications stop opening.
Some programs from the Play Market do not start.
The phone restarts by itself for no reason.
The phone began to slow down a lot.
You are not satisfied with the possibilities of the stock firmware.
Where can I find the firmware?
On the official website of the manufacturer.
On specialized resources where users post custom or official OS.
What should be done before installing the firmware?
Create a backup copy of user data and transfer it to your computer.
Insert an SD card into your phone to write the firmware to it.
Determine your smartphone model.
Fully charge your device's battery.
Find and download the archive with Firmware. 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 need to give consent to future manipulations, as well as to give consent to granting the application Superuser rights and click the 'OK' button.
In the next screen, select the item 'TWRP FLASH' and provide the application with root-rights.
On the main screen of the application, click 'Select Device', and select your phone model.
After selecting the phone, the application will redirect 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.
Press the 'FLASH TO RECOVERY' button and confirm your choice.
When the message 'Flash Completed Succsessfuly!' appears. Click 'OK'. The TWRP installation procedure can be considered complete.
Copy the required files to the SD card. Using a PC or laptop card reader, it will be much faster.
Insert a SD 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 'Reboot' and then click on the 'REBOOT RECOVERY' button.
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.
You can start flashing. Click the 'Install' button.
The file selection screen is displayed. At the very top is the 'Storage' button, select the location where the firmware file is located.
Select the location where you copied the files..
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 corrupted files when writing to the phone's memory sections.
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.
After the firmware installation procedure is completed, the 'Successful' message appears on the screen.
Summary: OS: Android 5.0 Lollipop; CPU frequency: 1300.0 MHz; RAM Memory: 1 GB; Display: AMOLED Color (16M), 720x1280 px (4.7") 312ppi; Touch screen: yes; Built-in memory: 16 GB; Memory card: microSDXC max. 128 GB; Camera: 8.0 MPx; Flash: LED; Autofocus: yes; Optical zoom: no; Digital zoom: yes; Second camera: 5.0 Mpx; Bluetooth: 4.0; EDGE: 10; GPRS: 12; GPS: yes; A-GPS: yes; BeiDou: yes; Glonass: yes; LTE: LTE-FDD: 800, 1800, 2100, 2600; GSM: 850 900 1800 1900; HSDPA: 900 1900 2100 HSPA; HSUPA speed: 5,76 Mb/s; HSDPA speed: 21 Mb/s; USB: 2.0; WAP: 2.0; Wi-Fi: 802.11 b/g/n; Audio out: Jack 3,5 mm; Games: yes; MP3 player: yes; MP3 ringtones: yes; Polyphony: yes; Radio: yes; RDS: yes; RSS: yes; Vibra: ...
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