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Flash firmware on Lava Iris Atom 3

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How to flash Lava Iris Atom 3?


Why reinstall the firmware?

Errors constantly appear in the Android operating system.

Some applications will not open.

Some programs from the Play Market do not start.

The phone restarts by itself 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 manufacturer.

On specialized resources where users post custom or official OS.


What should be done before installing the firmware?

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

Insert an SD card into the gadget. It must have enough memory for the firmware.

Determine your smartphone model.

Charge your phone fully. If the battery runs out during boot, the device will no longer turn on. It will be difficult to restore it.

Find and download the archive with Firmware. Place it on the SD card.





Installing TWRP Recovery

Install the Official TWRP App via the Play Market. And run this 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.

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 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.

After downloading the image file, go 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.

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.

Copy the required files to the SD card. Using a PC or laptop card reader, it will be much faster.

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. Open the menu and select the 'Reboot' item, and then click on the 'REBOOT RECOVERY' button.





Firmware via TWRP

TWRP

Before flashing, it is recommended to clear the 'Cache' and 'Data' sections. This will delete all user data from the device, but avoid a wide range of software errors and other problems. You must press 'WIPE' on the main 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, which allows you to switch between types of memory.

Select the location where you copied the files..



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 writing files to the phone's memory will begin, accompanied by logging and filling in the progress bar.

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





Summary: OS: Android (5.1); Dimensions: 5 megapixels; Flash: LED; Features: Digital zoom, Touch to focus, Geo tagging; Shooting Modes: High Dynamic Range mode (HDR), Panorama; Camcorder: 1280x720 (720p HD); Features: Video calling; Front-facing camera: 2 megapixels; Processor: Quad-core, 1300 MHz; Graphics processor: Yes; System memory: 512 MB RAM; Built-in storage: 8 GB; Storage expansion: microSD, microSDHC up to 32 GB; Talk time: 9.50 hoursthe average is 15 h (886 min); Talk time (3G): 6.30 hoursthe average is 15 h (913 min); Stand-by time (3G): 11.3 days (271 hours)the average is 24 days (588 h); Capacity: 2000 mAh; Type: Li - Ion; Music player: ; Filter by: Album, Artist, Genr ...

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