【Problem Description】
The customer has AC6605 V2R8 in the live network, and he but new AP6050DN with V2R9, Customer feedback that downgrades AP from V2R9 to v2r8c10spc800 fail
【Problem Analysis】
After checking the notice we found AP6050DN only can downgrade to v2r8c10spca00 or a later version
https://support.huawei.com/enterprise/en/bulletins-product/ENEWS2000002551
【Root Cause】
The flash model and capacity of the new models AP6050DN and AP6150DN are changed and are not supported by earlier software versions.
【Solution Description】
For new AP models in V200R009C00SPC300 and earlier versions of V200R009, upgrade the APs to V200R9C00SPC600 or later, and then downgrade the APs to the following versions as required:
l V200R007C10SPCc00 and later V200R007C10 versions
l V200R007C20SPCh00 and later V200R007C20 versions
l V200R008C10SPCa00 and later V200R008C10 versions
For the upgrade and downgrade methods, see the upgrade guide:
https://support.huawei.com/enterprise/en/bulletins-product/ENEWS2000002551


