Flash firmware on Fly Nimbus 4
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How to flash Fly Nimbus 4?
Why reinstall the firmware?
Errors in the Android OS start to appear regularly.
Some applications do not open, reinstalling which does not lead to a positive result.
Many programs from the Play Market do not work.
The phone shuts down and restarts for no apparent reason.
The phone slows down a lot during operation.
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 website of the phone manufacturer.
On sites where third-party developers post custom operating systems.
What should be done before installing the firmware?
Back up your contacts and user data and transfer it to another medium.
Insert an SD card into the gadget. It must have enough memory for the firmware.
Find information about your smartphone model.
Fully charge your phone battery.
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.
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 'Select Device', and find your phone model.
After selecting a phone, the application will direct the user to a web page to download the modified recovery environment image file. Download the proposed *.img file.
When the download is finished, you need to return to the main screen of the Official TWRP App and click on the 'Select a file to flash' button. Select the file downloaded in the previous step.
After adding the image file to the program, click the 'FLASH TO RECOVERY' button and confirm your choice, click '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.
Transfer the necessary files to the SD memory card. Using a PC or laptop card reader, it will be much faster.
Insert a memory card into the phone.
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, 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. Click the 'Install' button.
The file selection screen is displayed. At the very top is the 'Storage' button, select the location where the firmware file is located.
Select the storage to which the files were copied.
Find the file we need and click on it. A screen opens with a warning about possible negative consequences, as well as the item 'Zip signature verification'. This item should be checked by placing a cross in the check-box, which will avoid using damaged files when writing to the phone's memory sections.
The procedure for writing files to the phone's memory will begin, accompanied by logging and filling in the progress bar.
When the procedure for installing the firmware is completed, the message 'Successful' appears on the screen.
Summary: Chip: Spreadtrum SC7731G; Process technology: 28 nm; CPU: ARM Cortex-A7; CPU bits: 32 bit; Instruction set: ARMv7; Level 1 cache memory (L1): 32 KB + 32 KB; Level 2 cache memory (L2): 512 KB; CPU cores: 4; CPU frequency: 1200 MHz; GPU: ARM Mali-400 MP2; GPU cores: 2; GPU frequency: 400 MHz; RAM capacity: 512 MB; Operating system (OS): Android 4.4.2 KitKat; SIM card type: Mini-SIM (2FF - second form factor, since late 1990s, 25.00 x 15.00 x 0.76 mm); Number of SIM cards: 2; Features: Dual SIM stand-by (Both cards are active. When one is busy, the other is not active); Type/technology: IPS; Diagonal size: 5.5 in; Width: 2.7 in; Height: 4.79 in; Aspect ratio: 1.77816: 9; R ...
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