23www.feiyu-tech.com4.9 Firmware Upgrade4.8 Manual LockManually move camera to desired position,and hold for half a second. New tiltand/or pan positions are automatically saved.Upgrade the firmware through the Feiyu ON App.(1) Click the icon(2) Select upgrade type.(3) Follow the prompts to upgrade the firmware. Latest version:***Firmware UpgradeCurrent version:***Please read the following notices CAREFULLY:1. Please KEEP your phone screen ON during upgradeprogress.2. Do NOT leave current App page.3. The motors will be pow off during upgradeprogress, this is normal case.4. In case of upgrade failure, the gimbal might beunfunctionable, please reboot your gimbal andrestart App on your phone, and then performupgrade agian util successful upgrade.5. If upgrade success, please forget/unpaired thegimbal with your phone in phone settings page,and reconnect again.I KnownStart updatingUpgrade type introductions:Keyboard update: Repair / update or newly addbutton/touch screen/interaction functions, update morecompatibility cameras which can be controlled through WIFI,repair few bugs about camera control through WIFI, and etc.Bluetooth firmware update: Repair / update or newly addBluetooth functions, update more compatibility cameras,and etc.Gimbal update: Repair / update or newly add gimbal control /function / parameter and etc.LED icons update: Repair or update the icons in the screen.(Support for AK series gimbal only )USB Hub update: Repair / update or newly add control cameras/follow focus through USB cable,repair the bugs about camera control, and etc.(Support for AK4500/AK3000 only )