NOTICE: We’ve created an archive of all major developments related to the Samsung Galaxy S10 lineup. We are continuously updating that page with latest S10e/S10/S10+ news so that you don’t need to search for information related to the device on daily basis. Head here to access that page.

New updates are being added at the bottom of this story…….

The software update scenario in Android phones is the Achilles heel of the ecosystem. We love to pick this topic while writing articles: all these fragmentations, launching new phones with (almost) two generations old operating system – the list just goes on.

Samsung is one of the largest Android OEMs in the world, but their update strategy is as convoluted as the other mediocre players in the market. They have recently announced monthly security updates for their flagship phones as well as select mid-rangers.


The Galaxy S10 lineup is the current generation flagship from the South Korean smartphone maker. Readers may recall that the monthly update situation of the series is little bit complicated at this moment.

While the global Exynos powered models are getting quicker updates, the US carrier models are lagging behind. The tradition is nothing new though, thus many users prefer to convert/unbrand their phones.

Manual flashing or unbranding are some of the handy tricks to circumvent the carrier imposed limitations and delays, but not everyone is comfortable to play with their $1,000 gadgets.

Among the major US carriers, Sprint was the first to roll out the March security patches in the form of ASC8 build.

Sprint ASC8 OTA

Besides typical stability patches, Sprint also included important network fixes to correct the LTE/ data connection glitches. However, some of the phones may need to be replaced physically to fix those bugs.

Afterwards, Verizon users reportedly got the March update. The build version of their update is ASCA, which is newer than Sprint’s ASC8. As a matter of fact, the global users are now getting the ASCA OTA after Samsung pulled back the ASC8 build for unknown reasons.

ASCA update changelog

Although T-Mobile and AT&T’s official update tracker pages are still reporting the day-one patch (ASBA) as the latest one, some users got a new build (ASD3) on their T-Mobile branded Galaxy S10+.

looks like T-mobile will be rolling out the new update soon new build G975USQU1ASD3 from galaxys10

We reported about the new update and described the April compilation date from the build number. The incremental update for Galaxy S10 Plus was captured by the creators of the project.

After a day or so, people behind the tracker have been able to capture the incremental OTA zips of the Galaxy S10e and the regular Galaxy S10 as well.

The download links are as follows:

FYI, these update zip packages can be manually sideloaded on every US Snapdragon Galaxy S10 carrier variant running ASBA build.

This is a Snapdragon update. Must be on latest SBA firmware. Download, copy to SD card and power the phone down. After it’s off, hold power, bixby and volume up until you see Samsung S10+ screen, or you can hold until you see the blue screen, then let go. Choose update from sd card and choose the dowloaded file you copied to SD card.


Although these builds have been captured on T-Mobile variants, users on other carriers can safely use them to upgrade their phones.

Works for all carriers. No data loss here 24 hours later. Perfect! Verizon and no issues.

Its not just for tmobile


We still don’t know anything about the official release of this particular build, but we guess the US carriers are internally testing it. You know, carrier certification is an elongated process.

Image source: reddit

After sideloading this build, multiple users have noticed noticeable performance improvements in the in-display ultrasonic fingerprint scanner.

By the way, I have the Whitestone Dome installed, it’s a significant improvement over what it was before. Almost as good, if not just as good, as the previous update with the stock screen protector installed!

Definitely worth flashing this!



Are you planning to bite the bullet and update to this build manually? Comment below.

Update (April 6)

A redditor contacted T-Mobile support and they confirmed the existence of this (ASD3) build. It should be rolling out shortly.


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Kingshuk De
896 Posts

I came from a mixed background of Statistics and Computer Science. My research domains included embedded computer systems, mobile computing and delay tolerant networks in post-disaster scenarios. Apart from tinkering with gadgets or building hackintosh, I like to hop on various subreddits and forums like MyDigitalLife and XDA.

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