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Flash firmware on Pomp W99A

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How to flash Pomp W99A?


Why reinstall the firmware?

Errors in the operation of the Android OS begin to appear.

Some applications do not open, reinstalling which does not lead to a positive result.

Many applications from the Play Market do not start.

The phone turns off for no apparent reason.

The phone is slow.

You want to update your firmware.





Where can I find the firmware?

On the official website of the phone manufacturer.

On Internet resources 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 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 phone battery.

Download archive with Firmware.





Installing TWRP Recovery

Download the Official TWRP App to your phone from the Play Market. And install this app.

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.

On the next screen, select 'TWRP FLASH' and give the application root rights.

TWRP

On the main screen of the application, select 'Select Device', and find your phone model.

After selecting a phone, the application will direct the user to a web page to download the modified recovery environment image file. Download the proposed *.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'.

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 SD 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. 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

TWRP

Before flashing, you need to clear the 'Cache' and 'Data' sections, press 'WIPE' on the main screen. This will delete all user data from the device, but avoid a wide range of software errors and other problems.

Now you can start flashing. Press the 'Install' button.


TWRP

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.



TWRP

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 device's memory will begin, accompanied by the appearance of inscriptions in the log field and the completion of the progress bar.

The completion of the firmware installation procedure is indicated by the inscription 'Successful'.





Summary: Size: 73.5 mm x 143.5 mm x 9.3 mm; Weight: 165 g; Frame size: 0.36 mm; Usable surface: 64 %; Diagonal: 5"; Screen Type: LCD IPS; Screen Resolution: 720 x 1280 px; Density: Medium Density, 294 Pixels per inch differentiable less than 40 cm away,; Others: Capacitive, Multi-touch; Operating System: Android 4.2 Jelly Bean; Model: MediaTek MT6589; CPU: ARM Cortex-A7; Type: Quad-Core; Frequency: 1.2 GHz; GPU: PowerVR SGX544; RAM: 1 GB; Antutu score: 13.465 Overall performance better than 10% of smartphones; Capacity: 4 GB (Capacity with the OS (depends on the brand and ROM version): 2-3 GB); More or less equivalent to: 727 Songs, 1600 Photos and 57 Videos; SD Slot: Yes Independ ...

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