Flash firmware on Fly Cirrus 9
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How to flash Fly Cirrus 9?
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 start.
The phone restarts for no reason.
The phone began to work slowly.
You want to update the firmware, as it does not suit you in terms of functionality.
Where can I find the firmware?
On the website of your phone manufacturer.
On specialized services where users post custom or official OS.
What should be done before installing the firmware?
Back up your phone's user data.
Insert your SD card into your phone. It must have enough memory to fit the firmware.
Find information about your smartphone model.
Fully charge your device.
Find and download the archive with Firmware.
Installing TWRP Recovery
Download the Official TWRP App from the Play Market. And install it.
When you start the application for the first time, you must agree to install a new firmware and all the risks associated with this, as well as agree to grant the application Superuser rights and click 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 '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 file is loaded, you need to 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.
Click the 'FLASH TO RECOVERY' button and confirm your choice, click 'OK' in the question window.
When the message 'Flash Completed Succsessfuly!' appears on the screen. Click the 'OK' button. The TWRP installation procedure is now complete.
Copy the required files to the memory card. Using a PC or laptop card reader.
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, which allows you to switch between types of memory.
Select the storage to which the files were copied.
Select the firmware file 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: Design: Classic; DualSIM mode: yes; SIM cards standard: Micro Sim / Mini Sim - Regular; GSM: 850 900 1800 1900; HSDPA: 900 2100 HSPA; LTE: 800 1800 2600; Dimensions (H/L/W): 152.9 x 76.8 x 8.2 mm, vol. 96.3 cm³; Display: LCD IPSColor (16M) 720x1280px (5.5") 267ppi; Touch screen: yes; Weight: 147 g; Time GSM (talk/stand-by): 10 / 280 hrs. (11.7d); Battery: Li-Ion 2800 mAh; Built-in memory: 8 GB; Memory card: MicroSD max. 32 GB; RAM memory: 1 GB; Operating system: Android 6.0; Chipset: MediaTek MT6737; CPU 1: ARM Cortex A53; CPU 1 frequency: 1250.0 MHz(4-core); GPU Type: ARM Mali-T720 MP2; GPU frequency: 600.0 MHz(2-core); GPRS: yes; EDGE: yes; HSDPA: 21 Mb/s; H ...
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