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Flash firmware on Asus Zenfone 5 Lite A502CG

  Mobiles >> ASUS >> Asus Zenfone 5 Lite A502CG

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How to flash Asus Zenfone 5 Lite A502CG?


Why reinstall the firmware?

Errors periodically appear in the Android operating system.

Some applications will not open.

Many programs from the Play Market do not work.

The phone restarts or shuts down randomly.

The phone started to work slowly.

You have decided to try a different version of Android.





Where can I find the firmware?

On the official website of the manufacturer.

On sites where developers 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.

Find out the exact model of your smartphone.

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.

Download archive with Firmware. Place it on the SD card.





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 the firmware, 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 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, 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. Click 'OK'. The TWRP installation procedure is now complete.

Write the firmware to the SD 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.

Press the 'Install' button to start the flashing.


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 the files were copied. Press the 'OK' button.



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: Smart Phone OS: Android; Smart Phone OS ver.: 4.4 KitKat w/ Zen UI; Shape: Bar; SIM: Dual SIM (Micro-SIM); Processor Speed: 1.2GHz Intel Atom Z2520 Dual Core; Internal Storage: 8GB; RAM: 1GB; External Storage: micro SD up to 64GB; Battery life: ; Screen Size: 5inch; Resolution: 960x540; Touch Screen: yes; Screen Type: IPS display, 220ppiSoda Lime Glass; Pixels: 8mp / 0.3mp (front); Flash: yes; Image Stabilization: ; Waterproof: ; GPS: yes; Dimensions (WxHxD): 72.8 x 148.2 x 10.8 mm; Weight: 160g; ...

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Asus Zenfone 5 Lite A502CG