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Flash firmware on Archos 70b Xenon

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How to flash Archos 70b Xenon?


Why reinstall the firmware?

Errors constantly appear in the Android operating system.

Some installed applications stop opening.

Many programs from the Play Market do not start.

The phone restarts or shuts down for no reason.

The phone slows down a lot during operation.

You are not satisfied with the functionality of the stock (official) firmware.





Where can I find the firmware?

On the official website of the phone manufacturer.

On specialized services on which developers lay out custom or official OS.


What should be done before installing the firmware?

Create a backup copy of user data and transfer it to another medium.

Insert your SD card into your phone. It must have enough memory to fit the firmware.

Determine your smartphone model.

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

Download the archive with Firmware and place it on the SD card.





Installing TWRP Recovery

Download the Official TWRP App from the Play Market. Download, install and launch the application..

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.

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

TWRP

On the main screen of the application, click on the 'Select Device' drop-down list, and select your phone model.

After selecting a device, the program redirects the user to a web page to download the corresponding image file of the modified recovery environment. Download the suggested *.img file.

When the file is loaded, 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.

Press the 'FLASH TO RECOVERY' button and confirm that you are ready to start the procedure - press 'OK' in the question window.

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.

Write the firmware and other necessary files to the SD card. Using a PC or laptop card reader, it will be much faster.

Insert a memory card into the device.

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

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

After completing the installation procedure, a 'Successful' message appears on the screen.





Summary: Operating System: Android v4.4 (Kitkat); SIM Slot(s): Single SIM, GSM; Network: 3G: Available, 2G: Available; Dimensions: 188 (H) x 108 (W) x 11 (T) mm; Weight: 282 grams; Colours: White; Screen Size: 7.0 inches; Screen Resolution: 600 x 1024 pixels; Pixel Density: 170 ppi; Display Type: LCD; Touch Screen: Capacitive Touchscreen, Multi-touch; Chipset: MediaTek MT8312; Processor: Dual core, 1.3 GHz, ARM Cortex A7; Graphics: Mali-400; RAM: 512 MB; Internal Memory: 4 GB; Expandable Memory: Up to 64 GB; Resolution: 0.3 MP; Image Resolution: 640 x 480 Pixels; Camera Features: Digital Zoom; Resolution: 0.3 MP; Battery capacity: 2800 mAh; Type: Li-Poly ...

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