SD Card
工具
下方列出了维修此类别设备所需的主要工具。当然，并不是所有维修流程都需要备齐这个清单。
Upgrades:
SD Card Upgrade:
The device uses a micro sd card and can be upgrades
Firmware Upgrade:
The Device is built with varying subcomponents, The firmware is often not upgradable.
Firmware Changelog
V1.9.1 - Added Power on/off option by holding down center button
V1.7.6 - Unknown
