Ble low energy auto disconnect every time

[BasileC]

Hi,

I'm having an issue to connect a Galaxy samsung Tab A to my ble device.

Each time i ask for a connection i get the same error.

I already succeed with others phone (honor 5 for example) and I have this issue with only some android phone.

Here is all the information i got :

Galaxy samsung Tab A : Android version 5.1.1 Android API level 22 Device SM-T280

BLE error : Connection state changed with status 133 -> GATT ERROR 0x85

BLE device got sdk 12.2.0 version

On my ble device i can see that i start to connect and then failed. I have done some research and try all the basics (restart, unpair ...)
It's look like the ble protocol is corrupt and stop the connection

Did someone already had this issue and solved it ?

Thanks

[BasileC]

I found this answer : https://devzone.nordicsemi.com/f/nordic-q-a/19927/connection-problem-gatt_error-133-0x85
Look like the same issue
I forgot to specify i work on nrf51 and can't ugrade to nrf52

Seems the issue can't be resolved on nrf51 if someone from nordic can confirm this ?

[Kenneth]

Confirmed.

[BasileC]

Does Nordic have a listing of Android devices that got this issue ?
From what i found it's look like quite a lot of device got this problem even if it can be solve on nrf52 devices