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Flash firmware on Iswag Nemesis

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How to flash Iswag Nemesis?


Why reinstall the firmware?

Errors in the operation of the Android OS begin to appear.

Some installed applications stop opening.

Many applications from the Play Market do not start.

The phone restarts by itself for no reason.

The phone is slow.

You want to update your firmware.





Where can I find the firmware?

On the phone manufacturer's website.

On Internet resources 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 an SD card into your phone to write the firmware to it.

Remember your smartphone model.

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

Download archive with Firmware.





Installing TWRP Recovery

Install the Official TWRP App from the Play Store on your phone. 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.

Going to the next screen, select the item 'TWRP FLASH' and provide the application with root-rights.

TWRP

On the main screen of the application, select 'Select Device', and find your phone model.

After selecting a device, the program redirects the user to a web page to download the corresponding image file of the modified recovery environment. 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.

Click the 'FLASH TO RECOVERY' button and confirm your choice, click 'OK' in the question window.

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

Copy the necessary files to the SD memory card. Using a PC or laptop card reader.

Insert a SD memory card into the 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. We open the menu, select the 'Reboot' item, and then click 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. You will delete all user data from the phone, this will avoid software errors and other problems.

Now you can start flashing. Press the 'Install' button.


TWRP

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.



TWRP

Select the firmware file 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 writing files to the phone's memory will begin, this is accompanied by the appearance of inscriptions in the log field and the movement of the progress bar.

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





Summary: OS: Android 8.1 Go Edition; CPU: Cortex-A7; CPU frequency: 1300.0 MHz (4-core); Chipset: MediaTek MT6580P; GPU: Mali-400 MP2; RAM Memory: 1 GB; Display: LCD IPS Color (16M), 720x1440 px (6.0") 268ppi; Touch screen: yes; Built-in memory: 16 GB; Memory card: MicroSDHC max. 64 GB; Camera: 12.78 MPx; Resolution: 4128 x 3096 px; Flash: LED; Autofocus: yes; Optical zoom: no; Digital zoom: yes; Second camera: 5.04 Mpx; Resolution: 2592 x 1944 px; Bluetooth: 4.1; EDGE: yes; GPRS: yes; GPS: yes; A-GPS: yes; GSM: 850 900 1800 1900; HSDPA: 850 1900 2100; USB: 2.0; WAP: yes; Wi-Fi: 802.11 b/g/n; Audio formats: MP3, AAC, AMR, WAV, WMA, AAC , MIDI; Audio out: Jack 3,5 mm; MP3 player: yes; MP3 ringtones: ...

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