Click Here . New cellular mods for Firmware A106's. This page is updated frequently, so check back regularly. Please check this section first for updates made to this site. It is very important to know what firmware your VX-1R is.
Some modifications are specific to individual firmware versions.
The only difference is that with the Software mod you will switch back to your Hardware Configuration by calling the INIT routine. But remember if you reset the radio at any time, the radio will revert to the hardware jumper configuration. Now read this again, it does make sence.