IntroductionOverviewTo修复手机错误或添加新功能,设备可能需要
为了修复电话错误或添加新功能,设备可能需要升级到更新的固件版本。
适用产品:具有USB端口的电话
适用版本:对应型号支持的所有固件版本
① 一台BX4U电话连接到交换机,并且能够自动获取IP地址。
② 一台配置PC连接到同一台交换机,并具有对电话的网络访问权限。

适用型号:BX4U/BX5U/BX6U/BX7c/BX7/BX210/BX210i
升级文件格式:.z文件
2.1.1 检查当前硬件版本并下载匹配的固件
点击“菜单” -- “状态” -- “设备”以检查电话硬件版本。
2.1.2 准备U盘
将固件包复制到U盘。升级包必须是.z或.zip格式。此外,U盘必须格式化为FAT32。
将U盘插入电话的USB端口。
2.1.3 进入POST模式并开始升级
打开电话电源。当电源指示灯闪烁3次时,持续按下#键,直到屏幕上出现POST。
输入*#167,屏幕将显示升级提示。
升级成功完成后,屏幕将显示成功消息。

对于X7A,通过U盘升级时,必须先将固件文件重命名为fv_update.zip,然后再将U盘连接到电话。电话会自动检测升级文件并提示升级。请注意,对于Android系列电话,固件文件必须是.zip格式,且U盘也必须格式化为FAT32。
2.2.1 将固件文件下载到U盘并重命名为fv_update.zip
2.2.2 将U盘插入电话USB端口
2.2.3 插入U盘后,电话自动检测升级文件并显示“加载中”
2.2.4 电话检测到升级文件并提示升级

2.2.5 电话开始升级
2.2.6 电话显示升级完成消息
2.2.7 重启后,当前版本与目标升级版本匹配,这意味着升级已生效
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