Samsung has been rolling out One UI 6.1 to a variety of eligible Galaxy devices. The latest information also says that Samsung has started internal testing of the One UI 6.1.1 update for Galaxy Z Fold5.

About a month ago, Samsung began rolling out the One UI 6.1 update to eligible Galaxy devices, including both high-end products with Galaxy AI and low-cost, mid-range devices. The latest information also reveals that the giant Samsung has also started internal testing of the newer One UI 6.1.1 update for the Galaxy Z Fold5.

According to @tarunvats33, Samsung has launched an internal testing program for a new software version with code number F946BXXU2DXF1, data is determined through the company's server. This is likely to be internal firmware and the company may test several versions of One UI 6.1.1 before releasing the beta version or officially releasing it to regular users.

One UI 6.1.1 is a customized software version based on Samsung's Android 14 platform that will be optimized for folding screen devices. The upcoming Galaxy Z Fold6 & Z Flip6 duo are expected to be the first devices to come pre-installed with this newer firmware version. It is expected to bring new security features, improved performance, new elements, new customizations for multitasking modes, and optimized applications for Fold or Flex Mode...

Additionally, the company may also be testing One UI 6.1.1 on other eligible Galaxy devices in parallel with developing One UI 7.0 on the latest Android 15 platform.