Samsung Galaxy S4 SGH-I337 Official Lollipop Update Without Root 100% Working

Review

Samsung Galaxy S4 is a totally astounding Android cellphone discharged a few years prior, in 2013, furnished with a very enormous 5-inches touch screen, a 1900 megahertz Quad-Core CPU, and 2 cameras, a 13 uber pixels back-confronting camera and a 2 megapixels front camera. About its development, this telephone is generally made with Polycarbonate. Samsung has made an extremely pleasant activity making this telephone weight just 4.59 oz. Samsung is putting forth this cellphone in various shading varieties like dark, blue, red and white. The S4 is incredibly dainty and happy with, being simply 0.31 inches thick. Despite the fact that this cellphone simply has 5.38" long and 2.75" wide, it is as yet ready to fit a 5" screen

Requirements

  1. PC Or Laptop (Running On Windows)
  2. MicroSD Card (Minimum 4GB)
  3. Samsung USB Drivers
  4. Odin Flash Tool

Follow these simple steps to update S4 SGH-I337 from Kitkat to Lollipop

  1. Download and install Samsung USB Drivers on your PC.
  2. Download this firmware ATT_I337UCUFNB1 and extract on PC.
  3. Download Odin flash tool and open it.
  4. Flash ATT_I337UCUFNB1 on your S4 SGH-I337 using Odin flash tool (Learn How To Flash Samsung Smart Phone).
  5. After flashing, download NJ4_update_from_NB1.zip and copy this file to MicroSD card.
  6. Put MicroSD card in the phone and reboot your phone into recovery mode (hold the Volume Up+Home+Power keys together).
  7. In recovery, go to apply update from external storage option and select  NJ4_update_from_NB1.zip.
  8. Download and extract 5.0update.zip, after extracting you will get .cfg file, rename the .cfg extension to .zip and copy to MicroSD card.
  9. Again put MicroSD card in the phone and reboot your phone into recovery mode, go to apply update from external storage option and select 2400258.zip and install it.
  10. After installation completed, the phone will reboot and now your AT&T Galaxy S4 is running on Android 5.0.1 Lollipop.

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