Flash firmware on Sico Pro 2
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How to flash Sico Pro 2?
Why reinstall the firmware?
Errors constantly appear in the Android OS.
Some installed applications do not open.
Many programs from the Play Market do not work.
The phone restarts by itself for no reason.
The phone started to work slowly.
You are not satisfied with the possibilities of the stock firmware.
Where can I find the firmware?
On the official Internet resource of the phone manufacturer.
On sites where third-party developers post custom operating systems.
What should be done before installing the firmware?
Create a backup copy of user data and transfer it to your computer.
Insert SD card. An SD card is needed to write firmware to it.
Determine your smartphone model.
Fully charge your phone battery.
Download archive with Firmware. Place it on the SD card.
Installing TWRP Recovery
Install the Official TWRP App from the Play Store on your phone. And run this application.
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.
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 select your phone model.
After selecting a device, the application will direct the user to a web page to download the appropriate modified recovery environment image file. Download the suggested *.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.
Click the 'FLASH TO RECOVERY' button and confirm your choice, click 'OK' in the question window.
When the message 'Flash Completed Succsessfuly!' appears. Click 'OK'. The TWRP installation procedure is now complete.
Transfer the necessary files to the SD memory card. Using a PC or laptop card reader, it will be much faster.
Insert a SD 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 'Reboot' 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.
You can start flashing. Click the 'Install' button.
The file selection screen appears. At the very top there is a 'Storage' button for selecting an SD card.
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 flashing the phone will begin, accompanied by the appearance of inscriptions in the log field and the movement of the progress bar.
After the firmware installation procedure is completed, the 'Successful' message appears on the screen.
Summary: OS: Android 4.4 KitKat; CPU frequency: 1200.0 MHz (4-core); RAM Memory: 512.0 MB; Display: LCD IPS Color, 540x960 px (5.0") 220ppi; Touch screen: no; Built-in memory: 8 GB; Camera: 5.0 MPx; Flash: LED; Autofocus: no; Optical zoom: no; Digital zoom: no; Second camera: 2.0 Mpx; Bluetooth: 2.1; EDGE: yes; GPRS: yes; GPS: no; A-GPS: no; GSM: 850 900 1800 1900; USB: yes; WAP: 2.0; Wi-Fi: yes; Audio out: no; MP3 player: no; Vibra: no; Dictaphone: no; Loudspeaker: no; Dual SIM: yes; SIM card size: Mini Sim; Phone resistant: no; Replacement cover: yes; Capacity: Li-Ion 2000 mAh; ...
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