@bad1080 Unfortunately, nothing is interchangeable with UT. Basically, your phone, running a specific version of Android, has low-level drivers and a partition layout that are very specific to that device. When UT is installed, the partition layout is modified from the original configuration, whilst the low-level drivers are retained. An intermediate layer between these Android drivers and UT is installed (Halium (9 or 10 or 11, etc.), which is also specific to your hardware. Finally, UT is configured to communicate with this Halium layer. Failure to adhere strictly to the prerequisites will, at best, result in a non-functional system; at worst, a phone that is permanently unusable. (My apologies to purists for this oversimplified explanation)