Hi please find the attached project.
Program the psoc4 ble with this project.
Connect to this device from your phone.
Use GattDb and write the name to the characteristic .You have to write the ASCI characterisitcs for each letter
After writing, disconnect and scan again.you can see the updated name of the device.
VAVC, That link you give doesn't seem to work for me. Do you have another? Thanks