Xiaomi pad 6 pro global rom July 8, 2019 16 32 64 128 Xiaomi pad 6 pro global rom reddit Xiaomi pad 6 pro install global rom Xiaomi pad 6 pro flash global rom Xiaomi pad 6 pro china rom vs global rom Redmi 6 pro global rom install Xiaomi redmi note 6 pro android 10 update Xiaomi pad 5 miui 13.1