Flash firmware on Polytron COSMICA
Mobiles >> Polytron >> Polytron COSMICA| Specifications | Reviews | Secret codes |
| Unlock phone | Root phone |
| Backup | Flash Firmware | Screenshot |
How to flash Polytron COSMICA?
Why reinstall the firmware?
The operating system keeps getting errors.
Some applications do not open, reinstalling which does not lead to a positive result.
Many applications from the Play Market do not start.
The phone shuts down and restarts for no apparent 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 official website of the phone manufacturer.
On specialized services on which various developers lay out custom or official OS.
What should be done before installing the firmware?
Back up your contacts and user data and transfer it to another medium.
Insert your SD card into your phone. It must have enough memory to fit the firmware.
Determine your smartphone model.
Fully charge your phone battery.
Download Firmware and 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.
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, 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 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.
After adding the image file to the program, click the 'FLASH TO RECOVERY' button and confirm your choice, click 'OK'.
When the message 'Flash Completed Succsessfuly!' appears on the screen. Click the 'OK' button. The TWRP installation procedure is now complete.
Transfer the firmware and other necessary files to the SD card.
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.
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. Press the OK button.
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: OS: Android 4.2.2 Jelly Bean; Chipset: MediaTek MT8389; CPU Speed: 1.2 GHz; GPU: Imagination PowerVR SGX544; Primary display: IPS LCD 7.85" 1024 x 768 pixels 16M colors XGA, 163 ppi; Secondary display: No; RAM: 1 GB; Memory Card: MicroSD, Up to 32 GB; Primary camera: 5 MP 2592 x 1944 pixels Autofocus; Secondary camera: 0.3 MP 640 x 480 pixels; Headphone: Yes 3.5mm; WI-FI: Yes 802.11 b/g/n 0; NFC: No; GPS: Yes; Bluetooth: No; HDMI: Yes; Hotknot: No; USB: Yes Micro-USB 2.0 OTG; Infrared: No; Waterproof: No; Dustproof: No; Shock resistant: No; Sensors: Proximity, Light, G-sensor; Capacity: 3800 mAh Li-Ion; Stand by: Up to 170 h; Talk time: Up to 8 h; Dimension: 199 x 138 x 10.3 mm; Weight: 326 ...
Comments, questions and answers on the flash firmware Polytron COSMICA
Ask a question about Polytron COSMICA
