Upgrade for Solidcom C1 with HUB Hollyland Tech March 17, 2023 10:15 Updated OPERATIONS: Prepare a USB disk and format it to FAT32; Upgrade 【HLD_3_RRU_H000_S1.9.X.X.ota】 first. Copy the 【HLD_3_RRU_H000_S1.9.X.X.ota】 to the root directory of USB disk and plug it to the HUB to upgrade; Copy the 【HLD_3_RRU_H000_S1.0.X.X.ota】 to the root directory of USB disk and plug it to the HUB to upgrade; (Will take 10~20mins) Connect the remote headset to the hub to upgrade the headset. Related articles Firmware Upgrade for Solidcom C1 Without HUB Can Master headset pair to the hub? How to connect multiple sets of Solidcom C1? How to use the UAC function of Solidcom C1? Comments 0 comments Article is closed for comments.