Can't restore Bonding

Question

Hi, 
 I have a problem at restoring the bonding that is saved on Android EEPROM. I'm using Nordic 8001 
 I'm using the example from proximity. I modified the services.h using NRFGO to support ANCS and i added 2 characteristic for talking with the iOS phone. At some point everything worked fine, but now i have a big problem at restoring the Bond. The restore bonding functions are the functions from proximity template, so i don't thing there is a problem at the code. I think there is a problem at the NRGO settings. What can cause problem at bonding process? 
 I attached the setup.xml file for NRFGO. 
 Thank you! 
 proximity_setup.xml

David Edwin · Accepted Answer

Looks like the Write Dynamic data failed with a CRC mismatch 
 
 E3 :3, 84, 8, 88, 
 
 Event : Length = 3 bytes (in decimal)
Length = 0x03 (Hex)
Event opcode = 0x84 (Hex)
Command code for which this event is associated with = 0x08 (Write Dynamic Data)
Status code = 0x88 = ACI Status Error CRC Mis match (See appendix in nRF8001 PS v1.2) 
 =
I can also see that the last message used in the Read Dynamic data is different from the last message in Write Dynamic Data 
 Read Dynamic Data 
 
 C1 :1, 7,
E28 :1C, 84, 7, 2, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 14, 2, 91, 59, 
 
 Write Dynamic Data 
 
 C26 :1A, 8, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 14, 2, 89, 1C, 
E3 :3, 84, 8, 88, 
 
 As you can clearly see the last 2 bytes alone are different and this, I suspect , is the reason for the CRC failure.

Can't restore Bonding

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