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Flash firmware on Casper Via A3316

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How to flash Casper Via A3316?


Why reinstall the firmware?

Errors begin to appear in the Android OS.

Apps won't open.

Many programs from the Play Market do not work.

The phone turns off for no apparent reason.

The phone is slow.

You are not satisfied with the functionality of the stock firmware.





Where can I find the firmware?

On the website of your phone manufacturer.

On sites where third-party developers post custom operating systems.


What should be done before installing the firmware?

Back up your contacts and user data and transfer it to your computer.

Insert your SD card into your phone. It must have enough memory to fit the firmware.

Remember your smartphone model.

Fully charge your device. If the battery runs out during the firmware, the device will no longer turn on.

Download archive with Firmware. 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 consent to future manipulations, as well as consent to granting the application Superuser rights. Check the checkboxes and press the 'OK' button.

On the next screen, you need to select the 'TWRP FLASH' item and give the application root-rights.

TWRP

On the main screen of the application, the 'Select Device' drop-down list is available, in which you need to find and select the device model for installing the recovery.

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 download is finished, you need to return to the main screen of the Official TWRP App and click on the 'Select a file to flash' button. Select the file downloaded in the previous step.

Now press the 'FLASH TO RECOVERY' button and confirm your choice, press 'OK'.

After the burn process is complete, the message 'Flash Completed Succsessfuly!' appears. Click 'OK'. The TWRP installation procedure can be considered complete..

Transfer the necessary files to the SD memory card. Using a PC or laptop card reader, it will be much faster.

Insert a memory card into the device.

To reboot in recovery, it is convenient 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. We open the menu, select the 'Reboot' item, and then tap on the 'REBOOT RECOVERY' button. The phone will reboot into the recovery environment automatically.





Firmware via TWRP

TWRP

Before flashing, you need to clear the 'Cache' and 'Data' sections, press 'WIPE' on the main screen. This will delete all user data from the device, but avoid a wide range of software errors and other problems.

Everything is ready to start flashing. Press the 'Install' button.


TWRP

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.



TWRP

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 damaged files during recording.

The procedure for writing files to the device's memory will begin, accompanied by the appearance of inscriptions in the log field and the completion of the progress bar.

The completion of the installation procedure is indicated by the inscription 'Successful'.





Summary: Type: Mobile; Battery: Li-Po 2100 mAh; CPU: Qualcomm MSM8230, Adreno 305, 400MHz; Smart Phone OS: Android 4.1.2; Dimensions: 131.5 x 67 x 9.64 mm; Formfactor: Bar; Keyboard: Screen; Sidekeys: Volume, Power; Softkeys: 3; Weight: 143 g; Color: Yes; Colors: 16M; Other: Capacitive Touch Screen; Pixel aspect ratio: 1.50; Resolution: 540x960; Display PPI: 245; Screen Size: 4.5; Type: QHD TFT; Audio: AMR, AAC, OGG Vorbis, HE-AACv1; Camera: 13MP 4192x3104; Other: LED Flash, Auto Focus, Touch Focus, HD Recording, Burst Mode, Scene Mode; Secondcamera: 1.3MP, 1280 x 960; Videocapture: Yes, 1080p, 720p; Videoplayback: MPEG4, H.264, DivX, VC-1, VP8; Connectors: MicroUSB, 3.5mm Aud ...

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Casper Via A3316