Rebooting GXP2200EXT
1. Power off the GXP2170 by unplugging the power.
2. Remove the connector between GXP2170 and the GXP220EXT.
3. Re-connect the GXP2200EXT to the phone using the cable via the EXT port.
4. Power up the GXP2170.
5. The GX22EXT should also do its booting sequence. Please confirm this.
6. After the GXP2200EXT completely boots up, press and hold the LEFT key for 3 to 5 seconds.
7. Then the GXP2200EXT status will show. Press any key to return back to normal display.
8. Please confirm that you get a READY status.
9. At this point, the EXT should have downloaded the MPK config.
10. For more information, you may refer to GXP2200EXT User Guide.
