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Flash firmware on Reach Zeal 100

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How to flash Reach Zeal 100?


Why reinstall the firmware?

Errors constantly appear in the Android operating system.

Some applications stop opening.

Many programs from the Play Market do not start.

The phone restarts or shuts down randomly.

The phone began to work slowly.

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





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?

Create a backup copy of user data, contacts and photos and transfer it to your computer.

Insert SD card. An SD card is needed to write firmware to it.

Determine your smartphone model.

Fully charge your device's battery.

Find and download the archive with Firmware.





Installing TWRP Recovery

Install the Official TWRP App from the Play Store on your phone.

When you start the application for the first time, you must agree to install a new firmware and all the risks associated with this, as well as agree to grant 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.

TWRP

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 application will redirect the user to a web page to download the modified recovery environment image file. 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.

Press the 'FLASH TO RECOVERY' button and confirm your choice.

When the message 'Flash Completed Succsessfuly!' appears on the screen. Click the 'OK' button. The TWRP installation procedure is now complete.

Copy the required files to the memory card. Using a PC or laptop card reader.

Insert a memory card into your 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

TWRP

Before flashing, you need to delete all user data from the phone, this will avoid many problems. press 'WIPE' on the home screen.

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 storage to which the files were copied.



TWRP

Select the firmware file 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 flashing the phone will begin, accompanied by the appearance of inscriptions in the log field and the movement of the progress bar.

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





Summary: Operating System: Android v4.4.2 (Kitkat); SIM Slot(s): Dual SIM, GSM+GSM; Network: 3G: Available, 2G: Available; Dimensions: 126.2 (H) x 67.7 (W) x 10 (T) mm; Weight: 113 grams; Colours: Blue Red; Screen Size: 4.0 inches; Screen Resolution: 480 x 800 pixels; Pixel Density: 233 ppi; Display Type: LCD; Touch Screen: Capacitive Touchscreen, Multi-touch; Processor: Dual core, 1.2 GHz, Cortex A7; RAM: 512 MB; Internal Memory: 4 GB; Expandable Memory: Up to 32 GB; Resolution: 3.2 MP; Flash: LED Flash; Image Resolution: 2048 x 1536 Pixels; Camera Features: Digital Zoom; Resolution: 0.3 MP; Battery capacity: 1500 mAh; Type: Li-ion; Talktime: Up to 7 Hou ...

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