1.Address the issue that power on in VFO model, the sub band is wrong display showing 0.0000 2.Adding the lock and unlock of trackball, long press # to lock and unlock it 3.Adding the function of entering into exact channel number rapidly, press numeric keypad, the radio will swift into that channel. 4.Address the issue that under VFO mode, during scanning, pressing PTT is not responsive Note£ºRetvis RT82(REC)-D3.35.bin Retvis RT82(GPS-REC)-D3.35.bin This firmware has record function, but only can store 10000 contacts. Retvis RT82(CSV)-D3.35.bin Retvis RT82(GPS-CSV)-D3.35.bin This firmware has no record function, but can store 100000 contacts.