Flash firmware on RugGear RG740
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How to flash RugGear RG740?
Why reinstall the firmware?
Errors in the Android OS start to appear regularly.
Some installed applications do not open.
Some applications from the Play Market do not start.
The phone restarts by itself 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 official Internet resource of the phone manufacturer.
On sites where users post custom or official OS.
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.
Find information about your smartphone model.
Fully charge your phone battery.
Find and download the archive with Firmware. And place it on the SD card.
Installing TWRP Recovery
Install the Official TWRP App via the Play Market. And run this application.
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.
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. Then we tell the program the path where the file loaded in the previous step is located.
Press the 'FLASH TO RECOVERY' button and confirm your choice.
When the message 'Flash Completed Succsessfuly!' appears on the screen. Click the 'OK' button. The TWRP installation procedure is now complete.
Copy the firmware and other necessary files to the SD card.
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 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 delete all user data from the phone, this will avoid many problems. press 'WIPE' on the home screen.
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 the files were copied.
Select the firmware file 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.
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: 850 900 1900 2100; Standard LTE: FDD LTE: 800, 850, 900, 1700, 1800, 1900, 2100, 2600TDD LTE: 1900, 2300, 2500800, 2100TDD LTE: 2300; Standard TD-SCDMA: 1900 2000; Type: Touch; Waterproofness & dust-resistance: IP68, MIL-STD 810G; Dimensions (W x H x D): 153.00 x 77.00 x 15.00 mm; Weight: 226.00 g; Main display: Color / IPS TFT16M colors720 x 1280 px (4.70") 312 ppi; Display protection: Corning Gorilla Glass; Talk time (max.): 2G: 480 min. (8.0 h); Stand-by (max.): 2G: 208 h (8.7 days); Standard battery: Li-Ion 3950 mAh; Quick battery charging: no; Internal memory: 16 GB; RAM memory: 2 GB; Memory cards: ye ...
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