Flash firmware on Mediacom PhonePad Duo S551U
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How to flash Mediacom PhonePad Duo S551U?
Why reinstall the firmware?
Errors periodically appear in the Android operating system.
Apps won't open.
Some programs from the Play Market do not start.
The phone restarts or shuts down randomly.
The phone started to work slowly.
You have decided to try a different version of Android.
Where can I find the firmware?
On the website of your phone manufacturer.
On sites where third-party developers and phone manufacturers post custom or official OS.
What should be done before installing the firmware?
Create a backup copy of user data, contacts and photos and transfer it to your computer.
Insert your SD card into your phone. An SD card is needed to write firmware to it.
Find out the exact model of your smartphone.
Fully charge your device. If the battery runs out during the firmware, the device will no longer turn on.
Find and download the archive with Firmware. Place it on the SD card.
Installing TWRP Recovery
Install the Official TWRP App from the Play Store on your phone.
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.
On the next screen, you need to select the 'TWRP FLASH' item and give the application root-rights.
On the main screen of the application, click on the 'Select Device' drop-down list, and select your phone model.
After selecting the phone, the program will redirect the user to a web page to download the corresponding image file of the modified recovery environment. Download the proposed *.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. Click 'OK'. The TWRP installation procedure is now complete.
Copy the firmware and other necessary files to the SD card.
Insert a memory card into your phone.
To reboot into recovery, you need to use a special item in the Official TWRP App menu, accessible by pressing the button with three stripes in the upper left corner of the main screen of the application. Open the menu and select the 'Reboot' item, 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 errors in the software, as well as other problems. Press 'WIPE' on the home screen.
Press the 'Install' button to start the flashing.
On the file selection screen, at the very top there is a 'Storage' button for selecting an SD card.
Select the location where the files were copied. Press the OK button.
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, this is accompanied by the appearance of inscriptions in the log field and the movement of the progress bar.
After completing the installation procedure, a 'Successful' message appears on the screen.
Summary: Performance: Quad core; Display: 5.5" (13.97 cm); Storage: 8 GB; Camera: 13 MP; Battery: 2600 mAh; RAM: 1 GB; Sensors: Light sensor, Proximity sensor, Accelerometer; Operating system: Android v4.4 (Kitkat); Sim slots: Dual SIM, GSM GSM; Network: 4G: Not Available, 3G: Available, 2G: Available; Loudspeaker: Yes; Fm radio: Yes; Audio jack: 3.5 mm; Processor: Quad core, 1.3 GHz; RAM: 1 GB; Thickness: 8.7 mm; Width: 77.5 mm; Weight: 154 grams; Height: 154 mm; Colours: Green; Display type: IPS LCD; Screen to body ratio: 69.71 %; Pixel density: 267 ppi; Screen size: 5.5 inches (13.97 cm); Screen resolution: HD (720 x 1280 pixels); Touch screen: Yes Capacitive Touchscree ...
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