AUF5 is available for US unlocked S21U

Gary02468

Well-known member
Jul 23, 2011
2,156
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Firmware G998U1UEU4AUF5 is out now for unlocked S1 Ultras in the US (no new security patch, still Jun 1). It's downloadable via Frija (CSC: XAA) if not yet available OTA from your carrier. The bootloader-number increment (from 3 to 4) implies that once you upgrade to AUF5, you no longer have the option to downgrade to an earlier firmware version.
 
Last edited:
Firmware G998U1UEU4AUF5 is out now for unlocked S1 Ultras in the US (no new security patch, still Jun 1). It's downloadable via Frija (CSC: XAA) if not yet available OTA from your carrier. The bootloader-number increment (from 3 to 4) implies that once you upgrade to AUF5, you no longer have the option to downgrade to an earlier firmware version.
2nd update for june?
 
Wow. This update has my Ultra no longer feeling warm. And the standby time isuch better.
 
Download it this afternoon on my unlocked 21 Ultra on the Spectrum Mobile network.
 
Incoming on unlocked T-Mobile
53044b556b2f765e0a2565f4e1cdeb8a.jpg
 

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