Sometime we want to reset our radio. Some model support to rest via the short key. but there are also some radio don't support. You need to get the factory default codeplug and write it to the radio.
We can contact the seller to get the factory codeplug. Or download from here directly.
Check more Retevis radio factory codeplug, please check this link. https://www.ailunce.com/Home/RadioCodeplug/
If you need other radio factory codeplug, feel free to leave message to us.