(AR1200V200R005C30SPC200 upgrade package (including verification), please note that this version is only available except for AR1220F. Do not use AR1220F version. This version is also not recommended for AR1220-S series. Please download the AR1220-S upgrade package for AR1220-S series routers alone. In addition, there is no package for AR1220F-S on the official website of this upgrade, so please do not use this upgrade package to test the upgrade, otherwise you will be responsible for the consequences. Similarly, the official website did not provide an upgrade guide, so this time no upgrade guide was provided. ! ! ! Upgradeatyourownrisk)