I used the Nexus 5 with android OS 4.4 and try to use both the "Master control panel" and "Toolbox" Apps to upload firmware.(DFU) When I use the "Master control panel" App , it almost success to upload firmware every time. But when I use the "toolbox" App to upload firmware, it gets the more chances to fail at the beginning to connect the GATT and find the GATT services. Can you tell me what's the difference of implementation between the two Apps about the upload firmware ?
On the other hand, I have two cell phone(samsung Note3 and Nexus5), But obviously, samsung note3 's success rate is higher than the nexus 5, why?
success rate on master control panel in below:
Samsung Note3 10/10 Nexus 5 5/10
And Once successful, error code is 133 for GATT ERROR,What is mean?
Samsung Note3 OS is android 4.3 I use 51422 and softdevice is S310
Thank you!