Download SmartQ Z Watch firmware v.3.7 from here, here or here.
Type:Z Watch firmware
File Size:98.5MB
Release Date:2014-05-05
Version:v3.7
SmartQ/full_s2122b/s2122b:4.4/KRT16M/ eng.1012337.140430.092418:userdebug/test-keys
Update Method:
� Download the update.zip file and don�t unzip it
� Please connect the Z Watch with Win7 or higher computer, and copy the zipped package to the pop-up disk root directory. (If copied by ADB way, please copy the zipped package to Z Watch/ SD Card directory).
� Enter the watch, click �Settings�> �About� -> � Firmware Updating�, and then tap OK to upgrade.