固件升级：
1.升级前将转接环从相机和镜头上取下。
2.准备一台windows系统电脑或者一台Mac OS系统电脑（若Mac系统拷贝失败，尝试用windows电脑重新升级）。
3.从官网产品中心下载固件：http://www.funmount.com。
4.将配备的磁吸式USB数据线放置固件升级触点，另一端插到电脑的USB数据口，会出现”FM-ETZ”U盘盘符，将文件解压缩，然后将FM-ETZ_Vx.x.x命名的固件复制粘贴到此U盘内， 复制完成即安装完成，取下数据线完成升级。
5.升级完成后，重新连接转接环和电脑，能看到以固件版本命名的文件，此文件名即为当前固件版本。也可以在机身固件版本中查看


firmware upgrade：
1.Remove the adapter from the camera and lens before upgrading.
2.Prepare a windows system computer or a Mac OS system computer（If the Mac system upgrade fails, try upgrading again using a Windows computer）.
3.Download the firmware from the official website : http://www.funmount.com .
4.Place the equipped magnetic USB data cable on the firmware upgrade contact, and plug the other end into the USB data port of the computer, and the " FM-ETZ " U disk drive letter will appear, copy and paste the firmware into this U disk, and the copy will be completed After the installation is complete, remove the data cable to complete the upgrade.
5.After the upgrade is complete, reconnect the adapter and the computer, and you will see a file named after the firmware version, which is the current firmware version.
 
