Flash firmware on Oppo A11t
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How to flash Oppo A11t?
Why reinstall the firmware?
Errors periodically appear in the Android operating system.
Apps won't open.
Some programs from the Play Market do not start.
The phone restarts or shuts down randomly.
The phone is slow.
You have decided to try a different version of Android.
Where can I find the firmware?
On the website of your phone 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, contacts and photos and transfer it to your computer.
Insert your SD card into your phone. It must have enough memory to fit the firmware.
Find out the exact model of your smartphone.
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. Place it on the SD card.
Installing TWRP Recovery
Download and install the Official TWRP App from the Play Market.
When you start the application for the first time, you must consent to future manipulations, as well as consent to granting the application Superuser rights. Check the checkboxes and press the 'OK' button.
On the next screen, you need to select the 'TWRP FLASH' item and give the application 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, 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, press 'OK'.
After the burn process is complete, 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 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
Before flashing, you need to clear the 'Cache' and 'Data' sections, press 'WIPE' on the main screen. This will delete all user data from the device, but avoid a wide range of software errors and other problems.
Press the 'Install' button to start the flashing.
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..
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 writing files to the device's memory will begin, accompanied by the appearance of inscriptions in the log field and the completion of the progress bar.
After completing the installation procedure, a 'Successful' message appears on the screen.
Summary: OS: Android 4.4 KitKat; CPU: Cortex-A53; CPU frequency: 1200.0 MHz (4-core); Chipset: Qualcomm Snapdragon 410 MSM8916; GPU: Adreno 306; GPU frequency: 450.0 MHz; RAM Memory: 1 GB; Display: LCD IPS Color (16M), 480x854 px (4.5") 218ppi; Touch screen: yes; Built-in memory: 8 GB; Memory card: microSDXC max. 128 GB; Camera: 5.04 MPx; Resolution: 2592x1944 px; Flash: LED; Autofocus: no; Optical zoom: no; Digital zoom: yes; Second camera: 1.92 Mpx; Resolution: 1200x1600 px; Bluetooth: 4.0; EDGE: yes; GPRS: yes; GPS: yes; A-GPS: no; LTE: LTE-TDD: 1900, 2300, 2600; GSM: 850 900 1800 1900; HSDPA: 1800 1900 HSPA; USB: 2.0; WAP: yes; Wi-Fi: yes; Audio out: Jack 3,5 mm; MP3 player: yes; MP3 ringtones: ...
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