Software update for the Samsung Galaxy S4 mini (I257)

Software update for the Samsung Galaxy S4 mini (I257)

Latest update
Getting started
Update & verify software
Previous updates

Latest update

The updates

  • What's new: Android device security updates


The details

  • Release date: January 24, 2017
  • Android version: 4.4.2
  • Baseband version: I257UCS2BOI6
  • Kernel version: 3.4.0-5857513
  • Build number: KOT49H.I257UCS2BOI6
  • File size: 19.8MB
  • Previous versions required: I257UCU2BOI4


Getting started

  • You can download the update via Firmware Over the Air (FOTA). 
  • You must connect your device to Wi-Fi to download the update.
  • Although there should be no impacts to settings or data, we recommend that you back up your media files to an SD card, a PC, or using a favorite application (from the Play Store), prior to upgrading the software.
  • In order to receive the latest software update, your device must be on baseband version I257UCU2BOI4. If not, repeat the update process until you’ve installed I257UCU2BOI4, and then you should be able to install the most recent software update.

Update & verify software

To update the software
  1. Make sure your device is fully charged and connected to Wi-Fi.
  2. Tap Settings.
  3. Tap the More tab.
  4. Tap About device > Software update > Check for updates.
  5. Follow the on-screen prompts to download and install the update.
  6. The device automatically restarts once the new software successfully installs.

To verify the software update
  1. Tap Settings.
  2. Tap the More tab. 
  3. Tap About device.
  4. The device has the latest software if the Baseband version and Build number match the current update details.
  5. Tap Status for additional information.

To troubleshoot the software update

Previous updates

Nov. 5, 2015
  • What's changing: Multiple Voice over LTE (VoLTE) enhancements, Qualcomm CRs, and security fixes
  • What's going: Beats, ChatOn, and Softcard
  • Android version: 4.4.2
  • Baseband version: I257UCU2BOI4
  • Kernel version: 3.4.0-5857513
  • Build number: KOT49H.I257UCU2BOI4
  • File size: 116MB 
Dec. 16, 2014
  • VoLTE inter-op call hold
  • SIM less 911 Dialing update
  • ISIM SQN re-sync for VoLTE reregistration
  • v4v6 for IMS PDN while roaming
  • Android version: 4.4.2 (KitKat)
  • Baseband version: I257UCU2BNK1
  • Kernel version: 3.4.0-1928217
  • Build number: KOT49H.I257UCU2BNK1
July 2014
  • Pushed via FOTA over AT&T wireless network
  • Wireless Printing
  • Video Player Closed Captioning
  • On-device memory status and profiling
  • Unified Location menu
  • User can set preferred network and automatic in security policy update
  • Android version: 4.4.2
  • Baseband version: I257UCU2BNF5
  • Build number: KOT49H.I257UCU2BNF5

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