Flash firmware on Huawei RBM2
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How to flash Huawei RBM2?
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 began to work slowly.
You want to update your firmware.
Where can I find the firmware?
On the official website of your 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 your SD card into your phone. It must have enough memory to fit the firmware.
Remember your smartphone model.
Fully charge your device. If the battery runs out during the firmware, the device will no longer turn on.
Download archive with Firmware.
Installing TWRP Recovery
Download and install the Official TWRP App from the Play Market.
When you start the application for the first time, you must agree to install a new firmware and all the risks associated with this, as well as agree to grant the application Superuser rights and click the 'OK' button.
After moving to the next screen, you need to select the 'TWRP FLASH' item and give the application 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, press 'OK'.
When the message 'Flash Completed Succsessfuly!' appears on the screen. Click the 'OK' button. The TWRP installation procedure is now 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, it is recommended to clear the 'Cache' and 'Data' sections. This will delete all user data from the device, but avoid a wide range of software errors and other problems. You must press 'WIPE' on the main screen.
Now you can start flashing. Press the 'Install' button.
On the file selection screen, at the very top there is a 'Storage' button for selecting an SD card.
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, 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, accompanied by logging and filling in 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: no; Standard LTE: no; Type: Touch; Dimensions (W x H x D): 116.00 x 62.50 x 13.30 mm; Weight: 135.00 g; Main display: Color / TFT256k colors320 x 480 px (3.50") 165 ppi; Display protection: -; Standard battery: Li-Ion 1500 mAh; Internal memory: -; Memory cards: yes, microSD, microSDHC (up to 32 GB); Operating system: Android 1.5 Cupcake; Processor: Qualcomm MSM7200A; Processor clock: 528 MHz; Number of cores: 1; GPU: -; Touchscreen: yes; DualSIM: no; Announced: -; Camera location: Back; Photo matrix: 3.2 Mpx; Video resolution: -; Resolution: 2048x1536 px; Digital zoom: yes; Dual-colour LED flash ...
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