Flash firmware on Videocon Ultra 30 V50NL
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How to flash Videocon Ultra 30 V50NL?
Why reinstall the firmware?
Errors constantly appear in the Android OS.
Apps won't open.
Many applications from the Play Market do not start.
The phone restarts or shuts down randomly.
The phone began to work slowly.
You are not satisfied with the possibilities of the stock firmware.
Where can I find the firmware?
On the website of your phone manufacturer.
On specialized services on which various developers lay out 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. It must have enough memory to fit the firmware.
Determine your smartphone model.
Fully charge your device. If the battery runs out during the firmware, the device will no longer turn on.
Download Firmware and Place it on the SD card.
Installing TWRP Recovery
Download and install the Official TWRP App from the Play Market.
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, you need to select the 'TWRP FLASH' item and give the application root-rights.
On the main screen of the application, click 'Select Device', 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.
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.
Press the 'FLASH TO RECOVERY' button and confirm your choice, press '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 your 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 'Reboot' and then click on the 'REBOOT RECOVERY' button.
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.
On the file selection screen, at the very top there is a 'Storage' button for selecting an SD card.
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, 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 writing files to the phone's memory will begin, accompanied by logging and filling in the progress bar.
After the firmware installation procedure is completed, the 'Successful' message appears on the screen.
Summary: Design: Classic; DualSIM mode: yes; SIM cards standard: Micro Sim / Micro Sim; GSM: 900 1800; HSDPA: 900 2100 HSPA; LTE: 1800 2100 2600; Dimensions (H/L/W): 144 x 73.8 x 9.8 mm, vol. 104.1 cm³; Display: LCD IPSColor (16M) 720x1280px (5.0") 294ppi; Touch screen: yes; Time GSM (talk/stand-by): 8 / 350 hrs. (14.6d); Battery: Li-Ion 4000 mAh; Non-removable battery: yes; Built-in memory: 32 GB; Memory card: MicroSD max. 32 GB; RAM memory: 3 GB; Operating system: Android 6.0; Chipset: MediaTek MT6735V/W; CPU 1: ARM Cortex A53; CPU 1 frequency: 1300.0 MHz(4-core); GPU Type: ARM Mali-T720 MP2; GPRS: yes; EDGE: yes; HSDPA: 21 Mb/s; HSUPA speed: 5,76 Mb/s; LTE download ...
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