Flash firmware on Motorola RAZR
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How to flash Motorola RAZR?
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 or shuts down for no reason.
The phone started 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 certain sites where developers post custom or official OS.
What should be done before installing the firmware?
Create a backup copy of user data and transfer it to another medium.
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
Download the Official TWRP App from the Play Market. Download, install and launch the 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 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, return 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 that you are ready to start the procedure - press '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 card. Using a PC or laptop card reader.
Insert a memory card into the device.
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 you copied the files. 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 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: OS: Android (4.0.4, 2.3.5); Dimensions: 8 megapixels; Flash: LED; Features: Autofocus, Digital image stabilization; Camcorder: 1920x1080 (1080p HD) (30 fps), 720x480 (DVD) (120 fps); Features: Video calling; Front-facing camera: 1.3 megapixels; System chip: TI OMAP4430; Processor: 1024 MB RAM (Dual-channel); Built-in storage: 16 GB; Storage expansion: microSD, microSDHC; Talk time: 12.50 hoursthe average is 11 h (675 min); Stand-by time: 8.5 days (204 hours)the average is 20 days (477 h); Capacity: 1780 mAh; Type: Li - Polymer; Not user replaceable: Yes; Music player Supported formats: MP3, AAC, AAC+, eAAC+, WMA, WAV, AMR, MIDI; Video playback Supported formats: MPEG4, H.263 ...
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