This usually refers to a hardware or software modification (firmware patch) that unlocks the Expanded Frequency Range (136–174MHz for VHF or 400–470MHz for UHF). The Narrative:
The Weierwei VEV-3288S remains a powerful tool if you have the right information. Whether you're looking for a corrected manual to make sense of the settings or seeking a "patched" way to expand its utility, the community-driven documentation available on RadioReference and Scribd is your best resource. Weierwei VEV-3288S Two Way Radio - Alibaba.com weierwei vev3288s manual patched
In the radio community, "patched" or "modified" software refers to third-party adjustments made to the radio's internal programming or the computer-based programming software. This usually refers to a hardware or software
: Using the patching software, select the patch file you downloaded earlier and follow the on-screen instructions to apply the patch. This process may vary depending on the software you're using. Weierwei VEV-3288S Two Way Radio - Alibaba