Flash firmware on Huawei Y6II CAM-L21
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How to flash Huawei Y6II CAM-L21?
Why reinstall the firmware?
Errors in the Android OS start to appear regularly.
Some applications stop opening.
Many programs from the Play Market do not work.
The phone restarts or shuts down randomly.
The phone began to slow down a lot.
You want to update the firmware, as it does not suit you in terms of functionality.
Where can I find the firmware?
On the official website of the manufacturer.
On sites where third-party developers post custom operating systems.
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.
Find information about your smartphone model.
Fully charge your device's battery.
Download archive with Firmware. Place it on the SD card.
Installing TWRP Recovery
Download and install the Official TWRP App from the Play Market.
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 find 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.
When the download is finished, you need to return to the main screen of the Official TWRP App and click on 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, press 'OK'.
When the message 'Flash Completed Succsessfuly!' appears. Click 'OK'. The TWRP installation procedure can be considered complete.
Transfer the necessary files to the SD memory card. Using a PC or laptop card reader, it will be much faster.
Insert a memory card into your 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 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. 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 storage to which the files were copied.
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, this is 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: Design: Classic; SIM cards standard: Micro Sim; GSM: 850 900 1800 1900; HSDPA: 850 900 1900 2100 HSPA; LTE: 800 900 1800 2100; Dimensions (H/L/W): 154.3 x 77 x 8.4 mm, vol. 99.8 cm³; Display: LCD IPSColor (16M) 720x1280px (5.5") 267ppi; Touch screen: yes; Weight: 168 g; Battery: Li-Po 3000 mAh; Non-removable battery: yes; Built-in memory: 16 GB; Memory card: MicroSD; RAM memory: 2 GB; Operating system: Android 6.0; Chipset: Huawei HiSilicon Kirin 620; CPU 1: ARM Cortex A53; CPU 1 frequency: 1200.0 MHz(8-core); GPU Type: ARM Mali-450 MP4; GPU frequency: 500.0 MHz(4-core); GPRS: yes; EDGE: yes; HSDPA: 21 Mb/s; HSUPA speed: 5,76 Mb/s; LTE download speed: 150 Mb/s ...
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