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Flash firmware on Lyf Water 7S

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How to flash Lyf Water 7S?


Why reinstall the firmware?

Errors constantly appear in the Android OS.

Some installed applications do not open.

Some applications from the Play Market do not start.

The phone restarts or shuts down for no reason.

The phone started to work slowly.

You are not satisfied with the possibilities of the stock firmware.





Where can I find the firmware?

On the official website of your phone manufacturer.

On certain sites where developers post 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. An SD card is needed to write 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.

Find and 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..

When you start the application for the first time, you must agree to install the firmware, as well as agree to grant the application Superuser rights and click the 'OK' button.

After moving to 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 select your phone model.

After selecting a device, the application will direct the user to a web page to download the appropriate modified recovery environment image file. Download the suggested *.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 that you are ready to start the procedure - press 'OK' in the question window.

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

Transfer the necessary files to the SD card. Using a PC or laptop card reader.

Insert a memory card into the device.

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 'Reboot' 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 errors in the software, as well as other problems. Press 'WIPE' on the home screen.

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 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 flashing the phone will begin, this is accompanied by the appearance of inscriptions in the log field and the movement of the progress bar.

After the firmware installation procedure is completed, the 'Successful' message appears on the screen.





Summary: Sim Type: GSM+GSM; Dual Sim: Yes; Weight: 140 g; Type: Color; Touchscreen: Yes; Size: 5.5 inches, 1080 x 1920 pixels; PPI: ~ 401 PPI; RAM: 3 GB; Internal memory: 16 GB inbuilt; Card Slot: Yes, upto 64 GB; 3G: Yes; 4G: Yes; VoLTE: Yes (Supports Reliance Jio); Wi-Fi: Yes; Bluetooth: Yes; GPS: Yes; Fingerprint Sensor: Yes; Sensors: Fingerprint; 3.5mm Headphone Jack: Yes; Camera: Yes, 13 MP; Flash: Yes; Front Camera: Yes, 5 MP; Operating System: Android, v6.0 (Marshmallow); Processor: 1.3 GHz, Octa Core Processor; FM Radio: Yes; Type: Non-Removable Battery; Size: 2800 mAH, Li-ion Battery; Standby time: 16.7 days; Talk time: 6 hours; Music Playback time: 6 hours; ...

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