Well, there is a way to solve it.--- Service mode 1. turn HOLD on 2. Hold the GROUP button. Press ff ff fr fr ff fr ff fr pause pause 3. Now you enter the Engineering mode. 4. Press vol+ "0000 Manual" appears 5. press ff "0100 mt" appears, press again, you can see 0110 NV 6. one more ff button, you can see 0111. Keep pressing the key, until you see 0113, you will notice that there are 6 digis number after 0113. We only focus on the last 2 digis. It decides the language version. Change it by pressing the vol- 81 is the Euro ver. and the Chinese ver. is 05. Press pause to save the change. take out the Battery to quit the Service Mode. Note: Press STOP button if you made any mistake. Hope this can help someone out.