Introduction
The SD upgrade does NOT support:
 The Battery power is loss during upgrade phone.
 The sdcard hot-plug during upgrade phone.
The SD upgrade supports:
for emmc project:
 Backup and restore user data. (2.1 for detail description)
 Upgrade with changing partition size. (2.2 for detail description)
for mntl project:
System/cache/userdata are built in one partition. Cannot support features: backup and restore user
data, or upgrade with changing partition size.
16RD supports Paypal , Payment is calculated at the exchange rate of the day. Unable to download please contact 18902843661 (WhatsApp OR wechat number)