Flash firmware on BQ S37
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How to flash BQ S37?
Why reinstall the firmware?
Errors constantly appear in the Android operating system.
Some installed applications stop opening.
Some programs from the Play Market do not start.
The phone restarts or shuts down by itself.
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 phone manufacturer.
On sites where third-party developers and phone manufacturers post custom or official OS.
What should be done before installing the firmware?
Create a backup copy of all personal information: contacts, photos and transfer it to another computer.
Insert an SD card into the gadget. It must have enough memory for the firmware.
Determine your smartphone model.
Fully charge your phone. If the battery runs out during boot, the device will no longer turn on.
Find and download the 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.
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.
On the next screen, select 'TWRP FLASH' 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 a device, the program redirects the user to a web page to download the corresponding image file of the modified recovery environment. Download the suggested *.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. Then we tell the program the path where the file loaded in the previous step is located.
Now press the 'FLASH TO RECOVERY' button and confirm your choice, press 'OK'.
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 firmware and other necessary files to the SD card.
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, 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.
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 the files were copied. Press the OK button.
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, accompanied by logging and filling in the progress bar.
After completing the installation procedure, a 'Successful' message appears on the screen.
Summary: Operating System: Android v4.2 (Jelly Bean); SIM Slot(s): Dual SIM, GSM+GSM; Network: 4G: Not Available, 3G: Available, 2G: Available; Fingerprint Sensor: No; Quick Charging: No; Dimensions: 115.3 (H) x 60 (W) x 12.8 (T) mm; Colours: Black; Screen Size: 3.5 inches; Screen Resolution: 320 x 480 pixels; Pixel Density: 165 ppi; Display Type: LCD; Screen Protection: No; Touch Screen: Capacitive Touchscreen; Screen to Body Ratio: 52.83 %; Chipset: MediaTek MT6572A; Processor: Dual core, 1.2 GHz, ARM Cortex A7; Graphics: Mali-400; RAM: 512 MB; Internal Memory: 512 MB; Expandable Memory: Up to 32 GB; Resolution: 3 MP; Autofocus: No; Optical Image Stabil ...
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