Flash firmware on Huawei P20
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How to flash Huawei P20?
Why reinstall the firmware?
Errors periodically appear in the Android operating system.
Some applications will not open.
Many programs from the Play Market do not start.
The phone shuts down and restarts for no apparent reason.
The phone slows down a lot during operation.
You have decided to try a different version of Android.
Where can I find the firmware?
On the official website of the manufacturer.
On specialized services where users post custom or official OS.
What should be done before installing the firmware?
Back up your contacts and user data and transfer it to another medium.
Insert an SD card into the gadget. It must have enough memory for the firmware.
Find out the exact model of your smartphone.
Charge your phone fully. If the battery runs out during boot, the device will no longer turn on. It will be difficult to restore it.
Find and download the archive with Firmware.
Installing TWRP Recovery
Download the Official TWRP App to your phone from the Play Market. And install this app.
At the first start, you need to give consent to future manipulations, as well as consent to granting the Superuser rights to the application. Check the checkboxes and press 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 on the 'Select Device' drop-down list, and select your phone model.
After selecting the phone, the program will redirect the user to a web page to download the corresponding image file of the modified recovery environment. Download the proposed *.img file.
When the file is loaded, you need to return 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.
After adding the image file to the program, click the 'FLASH TO RECOVERY' button and confirm your choice, click 'OK'.
The recording process is very fast, and upon completion, the message 'Flash Completed Succsessfuly!' appears. Click 'OK'. The TWRP installation procedure can be considered complete.
Copy the required files to the memory card. Using a PC or laptop card reader.
Insert a memory card into the 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. Open the menu and select the 'Reboot' item, and then click on the 'REBOOT RECOVERY' button.
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.
Press the 'Install' button to start the flashing.
The file selection screen is displayed. At the very top is the 'Storage' button, which allows you to switch between types of memory.
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, as well as the item 'Zip signature verification'. This item should be checked by placing a cross in the check-box, which will avoid using damaged 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.
After completing the installation procedure, a 'Successful' message appears on the screen.
Summary: Performance: Octa core; Display: 5.7" (14.48 cm); Storage: 128 GB; Camera: 16 MP; Battery: 4000 mAh; Ram: 8 GB; Sensors: Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope; Fingerprint sensor: Yes; Quick charging: Yes; Operating system: Android v7.1 (Nougat); Sim slots: Dual SIM, GSM GSM; Sim size: SIM1: Nano SIM2: Nano (Hybrid); Network: 4G: Available 3G: Available, 2G: Available; Fingerprint sensor: Yes; Loudspeaker: Yes; Audio jack: 3.5 mm; Chipset: HiSilicon Kirin 960; Graphics: Mali-G71 MP8; Processor: Octa core (2.4 GHz, Quad core, Cortex A73 1.8 GHz, Quad core, Cortex A53); Architecture: 64 bit; Ram: 8 GB; Colours: Black, Gold; Display type: I ...
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