Flash firmware on Blackview BV6900
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How to flash Blackview BV6900?
Why reinstall the firmware?
Errors in the operation of the Android OS begin to appear.
Some installed applications do not open.
Many applications from the Play Market do not start.
The phone restarts or shuts down randomly.
The phone is slow.
You want to update your firmware.
Where can I find the firmware?
On the official Internet resource of the phone manufacturer.
On Internet resources where users post custom or official OS.
What should be done before installing the firmware?
Create a backup copy of user data, contacts and photos 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 battery.
Download archive with Firmware.
Installing TWRP Recovery
Install the Official TWRP App from the Play Store on your phone.
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.
After moving to the next screen, select the 'TWRP FLASH' item 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 application will direct the user to a web page to download the appropriate modified recovery environment image file. 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.
Press the 'FLASH TO RECOVERY' button and confirm your choice.
After the burn process is complete, the message 'Flash Completed Succsessfuly!' appears. Click 'OK'. The TWRP installation procedure can be considered complete..
Copy the necessary files to the SD memory card. Using a PC or laptop card reader.
Insert a memory card into your phone.
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.
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.
The completion of the firmware installation procedure is indicated by the inscription 'Successful'.
Summary: Operating system: Android 9.0 P; Processor: Octa-Core (4x Cortex A53 2.5 GHz 4x Cortex A53 1.6 GHz); Chipset: MediaTek Helio P25 (MT6757CD) (16 nm); Internal memory: 4GB 64GB, 4GB · 64GB; External memory: microSDXC (uses shared SIM slot); GPU: ARM Mali-T880 MP2; Type: LCD IPS; Size: 5.84" inc; Resolution: 1080 x 2280 px; Display colors: 16M; Screen area: cm2; Screen format: 19:9 (height:width); Screen to body ratio: 63%; PPI /points per inch/: 432 PPI; Screen protection: Corning Gorilla Glass 5; Touchscreen: capacitive touchscreen; Network: 2G / 3G / 4G /; NFC: Yes; Edge: Yes; Bluetooth: Bluetooth 4.2, A2DP; SIM card: Dual SIM, dual stand-by (Nano SIM Nano SIM); GPRS: Yes; G ...
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