pistar 4.1.2 Oled Display Close not boot problem sloved

admin->live log

I: 2020-12-23 08:49:41.579 Loaded 162513 IDs to lookup table - /usr/local/etc/DMRIds.dat
I: 2020-12-23 08:49:41.580 DMR RF Parameters
I: 2020-12-23 08:49:41.580 Id: 3116449
I: 2020-12-23 08:49:41.580 Color Code: 1
I: 2020-12-23 08:49:41.580 Self Only: no
I: 2020-12-23 08:49:41.580 Embedded LC Only: no
I: 2020-12-23 08:49:41.580 Dump Talker Alias Data: yes
I: 2020-12-23 08:49:41.580 Prefixes: 0
I: 2020-12-23 08:49:41.580 Call Hang: 3s
I: 2020-12-23 08:49:41.580 TX Hang: 4s
I: 2020-12-23 08:49:41.580 Mode Hang: 20s
I: 2020-12-23 08:49:41.581 OVCM: off
I: 2020-12-23 08:49:41.581 DMR Roaming Beacons Type: off
I: 2020-12-23 08:49:41.582 Started the DMR Id lookup reload thread
I: 2020-12-23 08:49:41.726 Interfaces Info
I: 2020-12-23 08:49:41.728 IPv4: lo:127.0.0.1
I: 2020-12-23 08:49:41.728 IPv4: wlan0:192.168.83.123
I: 2020-12-23 08:49:41.728 Default interface is : wlan0
I: 2020-12-23 08:49:41.728 IP to show: wlan0:192.168.83.123
M: 2020-12-23 08:49:41.728 MMDVMHost-20200503_Pi-Star_v4 is running
M: 2020-12-23 08:50:12.114 Unknown packet from the master
M: 2020-12-23 08:50:12.114 0000: 4D 53 54 4E 41 43 00 2F 8D A1 MSTNAC./..
M: 2020-12-23 08:50:22.149 Unknown packet from the master
M: 2020-12-23 08:50:22.149 0000: 4D 53 54 4E 41 43 00 2F 8D A1 MSTNAC./..
M: 2020-12-23 08:50:32.171 Unknown packet from the master
M: 2020-12-23 08:50:32.171 0000: 4D 53 54 4E 41 43 00 2F 8D A1 MSTNAC./..
E: 2020-12-23 08:50:51.988 DMR, Connection to the master has timed out, retrying connection
M: 2020-12-23 08:50:51.988 DMR, Closing DMR Network
M: 2020-12-23 08:50:51.988 DMR, Opening DMR Network
M: 2020-12-23 08:51:22.712 DMR, Logged into the master successfully
M: 2020-12-23 08:52:41.672 Closing the MMDVM
I: 2020-12-23 08:52:42.616 Stopped the DMR Id lookup reload thread
M: 2020-12-23 08:52:42.616 DMR, Closing DMR Network
I: 2020-12-23 08:52:42.617 MMDVMHost-20200503_Pi-Star_v4 exited on receipt of SIGTERM

problem is Unknown packet from the master

go to http://pi-star/admin/expert/ssh_access.php

so run
sudo pistar-mmdvmhshatflash hs_hat
to update fw to 1.5.2 problem sloved.
after update:
Radio Info
Trx Listening DMR
Tx 432.330000 MHz
Rx 432.330000 MHz
FW HS_Hat:v1.5.2
TCXO 14.7456 MHz