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Flash firmware on Onda TIM MYTAB

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How to flash Onda TIM MYTAB?


Why reinstall the firmware?

The operating system keeps getting errors.

Apps won't open.

Many applications from the Play Market do not start.

The phone shuts down and restarts for no apparent reason.

The phone is slow.

You want to update the firmware, as it does not suit you in terms of functionality.





Where can I find the firmware?

On the website of your phone manufacturer.

On specialized services on which various developers lay out 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 your phone to write the firmware to it.

Determine your smartphone model.

Fully charge your device. If the battery runs out during the firmware, the device will no longer turn on.

Download Firmware and Place it on the SD card.





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, you need to select the 'TWRP FLASH' item and give the application root-rights.

TWRP

On the main screen of the application, click 'Select Device', and find 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'.

After the burn process is complete, the message 'Flash Completed Succsessfuly!' appears. Click 'OK'. The TWRP installation procedure can be considered complete..

Transfer the firmware and other necessary files to the SD card.

Insert a memory card into the 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

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.

You can start flashing. Click the 'Install' button.


TWRP

On the file selection screen, at the very top there is a 'Storage' button for selecting an SD card.

Select the storage to which the files were copied. Press the OK button.



TWRP

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, 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: OS: Android 2.3 Gingerbread; CPU Speed: 1.4 GHz; Internal memory: 4 GB; Primary display: TFT 7" 1024 x 600 pixels 16M colors WSVGA, 170 ppi; Secondary display: No; Memory Card: MicroSD, Up to 32 GB; Primary camera: 3.2 MP 2048 x 1536 pixels; Secondary camera: 0.3 MP 640 x 480 pixels; Headphone: Yes 3.5mm; WI-FI: Yes 802.11 b/g/n 0; NFC: No; GPS: No; Bluetooth: No; HDMI: No; Hotknot: No; USB: Yes; Infrared: No; Waterproof: No; Dustproof: No; Shock resistant: No; Sensors: G-Sensor, Light; Capacity: 3400 mAh; Dimension: 192 x 110 x 12.6 mm; Weight: 389 g; SIM: Mini-SIM, Single-SIM; Colors: black; ...

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