How to Start digital radio Development Uprgade firmware mode (DFU). Some customers said when upgraded RT82 firmware, the radio stuck in DFU mode. What is DFU mode? DFU full name is Development firmware upgrade mode. Most digital radios can be upgraded with firmware to correct bugs and some new functions,but analogy radio cant do this.…
Though stable quality, good feedback, tiny customers met Retevis RT3 Font Reversed problem. How to resolve this problem? Retevis has developed a software, let’s study together the solution as below.
RETEVIS RT3 is your best digital DMR radio choice