Search Results for: Retevis Rt3s program software

Programming problem support -Grace-3

How to get support faster when encountering programming problems?

How to get support faster when encountering programming problems? We encounter various problems when programming. If you want to get help and support faster, please provide the following information: 1. Please confirm whether you are using the correct software and driver; 2. Please provide your walkie-talkie model, order number and shopping platform, as well as […]

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How to upgrade the RT3S firmware to increase the number of contacts to 12000

How to upgrade the RT3S firmware to increase the number of contacts to 12000 As one of the most popular digital walkie-talkies among consumers, many customers are no stranger to RT3S, but there are still many new customers who do not know much about it. So, here is a brief introduction: RT3S is Dual Band

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