Flash firmware on Crosscall Trekker X2
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How to flash Crosscall Trekker X2?
Why reinstall the firmware?
Errors in the Android OS start to appear regularly.
Some installed applications do not open.
Some programs from the Play Market do not start.
The phone shuts down and restarts for no apparent reason.
The phone began to slow down a lot.
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 Internet resource of the phone manufacturer.
On specialized resources where users post 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 an SD card into your phone to write the firmware to it.
Find information about your smartphone model.
Fully charge your phone battery.
Find and download the 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.
When you start the application for the first time, you need to give consent to future manipulations, as well as to give consent to granting 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 find 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.
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.
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. Click 'OK'. The TWRP installation procedure can be considered 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 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, you need to clear the 'Cache' and 'Data' sections, press 'WIPE' on the main screen. You will delete all user data from the phone, this will avoid software errors and other problems.
Now 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 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, 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, this is accompanied by the appearance of inscriptions in the log field and the movement of the progress bar.
When the procedure for installing the firmware is completed, the message 'Successful' appears on the screen.
Summary: GSM frequencies: 850 900 1800 1900; Standard UMTS: 900 2100; Standard LTE: FDD LTE: 800, 1800, 2600; Type: Touch; Waterproofness & dust-resistance: IP67; Dimensions (W x H x D): 155.00 x 80.00 x 14.80 mm; Weight: 241.00 g; Main display: Color / IPS TFT16M colors720 x 1280 px (5.00") 294 ppi; Display protection: Asahi Dragontrail; Talk time (max.): 2G: 600 min. (10.0 h); Stand-by (max.): 2G: 288 h (12.0 days); Standard battery: Li-Po 4050 mAh; Quick battery charging: no; Internal memory: 8 GB; RAM memory: 1 GB; Memory cards: yes, microSD, microSDHC (up to 32 GB); Operating system: Android 4.4 KitKat; Processor: Qualcomm Snapdragon 400 8926; Processor clock: ...
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