Flash firmware on Asus ZenFone 4 A400CG
Mobiles >> ASUS >> Asus ZenFone 4 A400CG| Specifications | Reviews | Secret codes |
| Unlock phone | Root phone |
| Backup | Flash Firmware | Screenshot |
How to flash Asus ZenFone 4 A400CG?
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 turns off for no apparent reason.
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?
Back up your contacts and user data 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
Download the Official TWRP App to your phone from the Play Market. And install this app.
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.
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, press 'OK'.
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 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
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.
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.
Find the file we need 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.: 4.3 (KitKat Upgradable); Shape: Bar; SIM: Dual SIM (Micro-SIM); Processor Speed: Intel Atom Z2520 1.2 Ghz with Hyper Thread Technology; Internal Storage: 8GB eMMC Flash; RAM: 1GB; External Storage: MicroSD card (up to 64 GB); Battery life: ; Screen Size: 4inch; Resolution: 800x345; Touch Screen: yes; Screen Type: TFT LCD Screen , Pixel Density 233 ppi , No, it uses Soda Lime Glass; Pixels: Rear 5 MP, w/o flash; Flash: ; Image Stabilization: ; Waterproof: ; GPS: yes; Dimensions (WxHxD): 124.42 x 61.44 x 11.15; Weight: 115g; ...
Comments, questions and answers on the flash firmware Asus ZenFone 4 A400CG
Ask a question about Asus ZenFone 4 A400CG
