Samsung S21 Ultra Clone firmware (flash file) Download all versions
Firmware information
| Product Name | Samsung S21 Ultra Clone | 
| CPU Model | MT6572 | 
| Android Version | Android Marshmallow 6.0 | 
| Firmware Versions | Factory Stock Rom (CM2) | 
Download Tab
| FILE NAME | MT6572__alps__S21_Ultra__6.0__F63KC1_ZYDK_HA13_S21_Ultra_FW_TOPCELL_ER245P_M01_20210416_1440__KOT49H__f63kc1_zydk_ha13.7z | 
| Possible Match | Compatible with Welcome Firmware | 
| Availability | Free | 
| Download Link | FILE-HOST | 
| Firmware Password | gsm-flash.com | 
Tools
| Flashtool Link (use latest release) | SP Flashtool | 
| Drivers Download Link | MTK Drivers | 
| Flash Tutorial | Yes | 
| FRP Bypass Tutorial | No need | 
| Boxes & Dongle support | Infinity CM2, Nck Dongle, Miracle Box, other MTK Tools | 
| Technical Features (fiche technique) | Not available | 
Important Notes:
If there are several versions available to download, and you are confuse which version to use, just choose one, flash it without boot loader (uncheck boot-loader from SP flash-tool partitions list), if the first one did not do the work, go to the next version.
All Firmware are fully tested, but always take a backup of current phone firmware before attempt to flash clone devices.
Gsm-FLash is not responsible of any harm may happen to device while using this firmware.
Knowledge bases:
Why you need to install stock rom?
You need this firmware/stock rom if you have encountered this kind of problem in your Smartphone Listed Below:
Hang on logo / Rebooting / Bootloop & Dead boot after a wrong software / Virus & Sexual Apps / System crashing
Hardware or software problem (Emmc problem)??
- What is Emmc problem? also called read mode only, it means that your internal memory doesn’t accept command, so the phone stay on the same condition after a install stock rom or a after a hard reset.
 - in conclusion if the phone hang on logo after flash or hard reset, you ara facing Emmc problem and you need to replace the phone chipset.
 
