Flash firmware on QMobile Noir A900
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How to flash QMobile Noir A900?
Why reinstall the firmware?
Errors in the Android OS start to appear regularly.
Some applications stop opening.
Some programs from the Play Market do not start.
The phone turns off for no apparent reason.
The phone began to slow down a lot.
You want to update the firmware, as it does not suit you in terms of functionality.
Where can I find the firmware?
On the official Internet resource of the phone manufacturer.
On specialized resources where users 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 an SD card into your phone to write the firmware to it.
Find information about your smartphone model.
Charge your phone fully.
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.
When you start the application for the first time, you need to give consent to future manipulations, as well as to give consent to granting the application Superuser rights and click the 'OK' button.
After moving to the next screen, select the 'TWRP FLASH' item and provide the application with root rights.
On the main screen of the application, click 'Select Device', and find your phone model.
After selecting the phone, the application will redirect the user to a web page to download the modified recovery environment image file. 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.
Now 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 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 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 the 'Reboot' item, and then click on the 'REBOOT RECOVERY' button. The phone will reboot into the recovery environment automatically..
Firmware via TWRP
Before flashing, you need to clear the 'Cache' and 'Data' sections, press 'WIPE' on the main screen. You will delete all user data from the phone, this will avoid software errors and other problems.
Now you can start flashing. Click the 'Install' button.
The file selection screen appears. At the very top is the 'Storage' button, select the location where the firmware file is located.
Select the location where you copied the files..
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 damaged files during recording.
The procedure for writing files to the phone's memory will begin, this is accompanied by the appearance of inscriptions in the log field and the movement of the progress bar.
When the procedure for installing the firmware is completed, the message 'Successful' appears on the screen.
Summary: 2G Network: SIM 1: 850 / 900 / 1800 / 1900 SIM 2: 850 / 900 / 1800 / 1900; SIM: Dual SIM; Dimensions: 137 X 68 X 7.9 mm; Weight: N/A; Type: IPS Retina HD touchscreen, 16.7M colors, Multitouch; Size: 720 x 1280 pixels, 4.7 inches; Multitouch: Yes; : ; Alert types: Downlaodable, Polyphonic, MP3, WAV; Loudspeaker: Yes; 3.5mm jack: Yes; Card slot: 8GB microSD card included, microSD card (supports up to 32GB); Internal: 4 GB built-in, 1 GB RAM; GPRS: Class 12; EDGE: Class 12; WLAN: (Wi-Fi 802.11 b/g/n, Wi-Fi hotspot); Bluetooth: v4.0 with A2DP (Advanced Audio Distribution Profile) profile as well in order to allow for track selection and such. A common misconception is that A2DP ...
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