XVacuum FirmwareFlashing firmwares and sound packages from your smartphone (Android and iOS)Roborock v1/v2(S50/51/55), T6, S6, 1S, T7, Q7 are supported.​The first and second generations have common language packs. The third (T6, S6, 1S) has its own packs.Android:(only pkg is supported, neither 7z, nor zip, nor rar but only pkg in the unarchived view...Read more