[srsran-users] Samsung A22 can see the 5G network but cant connect to it

[joe joe]

Hello all,

I am trying to connect a carrier unlocked Samsung Galaxy A22 to the 5G SA
network following the application note(
https://docs.srslte.com/en/latest/app_notes/source/5g_sa_COTS/source/index.html),
but I haven't been able to successfully connect it. The COTS UE can see the
network since the test PLMN(99970) shows up, but when the network is
selected the phone never attempts a rach connection.

Here's my setup:
Ubuntu 20.04
Samsung Galaxy A22 build # RP1A.200720.012.A226RBU3AVB1
Ettus B200
Cabled Connection
open5GS core network


I've tried modifying the TX and RX gain along with lowering the pdsch and
pusch values but that hasn't caused any change in connectivity success.
This doesn't seem to be a SIM card authentication issue either since it
cant establish a RACH connection.

Attached is the config and log file for the enbUHD.

Any and all help would be greatly appreciated.

Thanks,
Joe
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