我有三块RG520n-eu 现申请下最新固件，谢谢
ATI
Quectel
RG520N-EU
Revision: RG520NEUDBACYVCR01A1121M4G_SBA_5430087_6959262_1121V01
OK
Quectel
RG520N-EU
Revision: RG520NEUDAR01A01M8G_OCPU_BETA_20220422B
OK
ATI
Quectel
RG520N-EU
Revision: RG520NEUDCR01A01M4G_TP
OK