Samsung Galaxy S21 5G SM-G991U1 Firmware U1-U2-U3-U4-U5

Samsung Galaxy S21 5G SM-G991U1 Firmware U1-U2-U3-U4-U5


Hi there welcome to mobile5tech.com android site. In this post we will talking about firmware flash for Samsung Galaxy S21 5G SM-G991U1 firmware united states (USA) official firmware with all GU binaries and region (sprint-verizon-att-us).



Samsung Galaxy S21 5G G991U1 firmware files  روم gw-aug-af-factory-jun-gn-plus-feb-baseband-name-mar-guuesauin-modem file firmware download



Samsung Galaxy S21 5G SM-G991U1 GU U1-U2 Rom download

The Genuine GU of Samsung mobiles software: gu samsung galaxy
All each one contains 5 parts called (pit-BL-AP-CP-c s c-User data)ab of all devices.
  • PIT part may not come with all samsung soft. responsible for dividing the memory and it is not used with mobile that are suitable for its size, i.e. if this file is intended for copies of 8 GB.
  • BL (Bootloader) which is responsible for their root bootloader.
  • AP, PDA, or CODE , according to the setup version, is the main part and has a large size, which is equivalent to a single file, as it contains system parts. it may comes with tar or md5 shape.
  • CP,PHONE, depending on the soft edition, responsible for identifying the network android devices. We work on it to unlock carrier sim for all models.
  • CSC part is responsible for the country of S21 mobile model.


Samsung Galaxy S21 5G SM-G991U1 Firmware download links gu




Here you are all latest S21 5G SM-G991U1 firmware with large mix fast downloads free link with descending by date and bit security build patch number firmware update samsung :-


  • U2  GU stock firmware samsung rom sep

  • U3  SM GU Update firmware GU flash samsung firmware gt nx nn

  • U4 stock firmware gu jt eng su frp
  • U5 file nu firmware af download SM


  • How to download rom via sammobile.com and SamFw
  • If you want get more stock for S21 5G SM-G991U1 GU check this or this to find more.
  • You can use Odin tool to install GU Samsung soft roms after installing usb drivers on your windows.

  • Read also:flash gu android download
Samsung Galaxy S21 5G SM-G991U stocks gu official flash
guueuaugq firmware for galaxy s sm gu firmware model mobile
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