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Users want the ability to flash a factory ROM onto Yealink desk phones currently running Verizon firmware to use them with 3CX. Concise instruction sets for this process are needed.
I recently obtained 4 Yealink desk phones they are all Verizon firmware. I would like to flash a factory rom onto them and use them with 3CX. I’ve seen several options online but I’m having difficulty. Anyone have a more concise instruction set? Thanks in advance!