机身版本v01.03.0300，升级v01.03.0600，用调参软件单独升级遥控器成功，升级机身失败，显示错误信息0x20106； 用手机应用升级机身同样失败，重启2次后，进度条到92%，显示失败； 尝试过按顺序升级，升级v01.03.0400和v01.03.0550同样失败，下面是手机升级log显示的错误信息： [2017-04-28 23:35:57.329]sub module info: modueID: 0x28, firmwareVersion: 02.06.04.84, state:Upgrading. (code 1), progress: 0% [2017-04-28 23:35:57.329]push upgrade progress: 72% [2017-04-28 23:35:59.032]sub module info: modueID: 0x28, firmwareVersion: 02.06.04.84, state:Upgrading. (code 1), progress: 99% [2017-04-28 23:35:59.032]push upgrade progress: 90% [2017-04-28 23:36:01.037]sub module info: modueID: 0x28, firmwareVersion: 02.06.04.84, state:Upgrading. (code 1), progress: 99% [2017-04-28 23:36:01.037]push upgrade progress: 90% [2017-04-28 23:36:03.036]sub module info: modueID: 0x28, firmwareVersion: 02.06.04.84, state:Upgrading. (code 1), progress: 99% [2017-04-28 23:36:03.037]push upgrade progress: 90% [2017-04-28 23:36:03.304]upgrade fail reason: 2 [2017-04-28 23:36:03.304]upgrade state 11 [2017-04-28 23:36:03.305]Start download aircraft upgrade log [2017-04-28 23:36:03.314]sub module info: modueID: 0x01, firmwareVersion: 00.00.00.00, state:Upgrade error. (code 3), progress: 99% [2017-04-28 23:36:03.314]upgrade failed reason: 2 [2017-04-28 23:36:03.319]handle state upgrading => upgrade_failed 类似的还有： [2017-04-29 15:23:41.537]sub module info: modueID: 0x01, firmwareVersion: 02.06.04.84, state:Firmware Error. (code 6), progress: 0% [2017-04-29 15:23:41.537]upgrade progress 68% [2017-04-29 15:23:42.995]upgrade fail reason: 2 [2017-04-29 15:23:42.995]upgrade state 11 [2017-04-29 15:23:42.995]Start download aircraft upgrade log [2017-04-29 15:23:43.007]sub module info: modueID: 0x01, firmwareVersion: 02.06.04.84, state:Firmware Error. (code 6), progress: 99% [2017-04-29 15:23:43.008]upgrade fail reason: 2 [2017-04-29 15:23:43.008]handle state upgrading => upgrade_failed 除了返厂以外，想请教大家，还有什么可以尝试解决的办法？