Flash firmware on Sico Plus 2 3G
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How to flash Sico Plus 2 3G?
Why reinstall the firmware?
Errors periodically 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 randomly.
The phone started to work slowly.
You have decided to try a different version of Android.
Where can I find the firmware?
On the official website of the 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 SD card. An SD card is needed to write firmware to it.
Find out the exact model of your smartphone.
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 and install the Official TWRP App from the Play Market.
When you start the application for the first time, you must agree to install the firmware, as well as agree to grant the application Superuser rights and click 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. Select the file downloaded in the previous step.
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 is now 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 delete all user data from the phone, this will avoid many problems. press 'WIPE' on the home screen.
Press the 'Install' button to start the flashing.
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..
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 flashing the phone will begin, accompanied by the appearance of inscriptions in the log field and the movement of the progress bar.
After completing the installation procedure, a 'Successful' message appears on the screen.
Summary: Chipset: Spreadtrum SC7731C; CPU: 4 Cores @ 1.2GHz ARM Cortex-A7; GPU: Mali-400MP; RAM: 1GB; Internal Memory: 8GB; External Memory: microSD; Camera Resolution: 5 Megapixel; Camera Flash: LED; Front Camera: 2 Megapixel; Other Functionalities: Proximity Sensor; Speaker: Mono; Battery Capacity: 1600mAh; Battery Type: Non-removable Battery; WiFi: Wi-Fi 802.11 b/g/n; USB: 2.0; Bluetooth: v4.0; Positioning System: Integrated GPS; Audio Output: 3.5mm Jack; Radio: FM; Display Resolution: 480x854px; Display Size: 57x100mm (2.24x3.94") ~218PPI; Display Diagonal: 4.5"; Display Type: 16M TN; Input: Capacitive Touchscreen; Talk Time: 12 hours; Smart Phone OS: Android OS, v7.0; V ...
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