casually upgrading my firmware version well now i cant connect to my sim card i really dont know what to do then to look at the logs 

2018-10-01 08:00:35 [6] 4G: ERROR: [band scan] product band_support_mask: 0x1a0080800d5

2018-10-01 08:00:35 [6] 4G: ERROR: [band scan] product lte_category = 4.

2018-10-01 08:00:35 [6] 4G: ERROR: [band scan] DM band_support_mask: 0x1a0080800d5

2018-10-01 08:00:35 [6] 4G: ERROR: [band scan] DM lte_category = 4.

2018-10-01 08:00:35 [6] 4G: ERROR: [band scan] Modem band seletion : 0x4. config band : 0x1a0080800d5

2018-10-01 08:00:35 [6] 4G: ERROR: [band scan] Now will set band sel to 0x1a0080800d5.

2018-10-01 08:00:36 [6] 4G: USER: Not registered, searching!

2018-10-01 08:00:36 [6] 4G: WARN: Sim card is inserted.

2018-10-01 08:00:36 [6] 4G: ERROR: 0x00000010 QMI_ERR_NOT_PROVISIONED

2018-10-01 08:00:36 [6] 4G: ERROR: Get sim card number failed (0).

2018-10-01 08:00:37 [5] 4G: init LTE module, set flowstat [enableDataLimit 0, enablePaymentDay 0, paymentDay 1, limitation 0, warningPercent 90]
2018-10-01 08:00:37 [5] 4G: LTE Module: profile num [1], default profile [0], active profile [0]
2018-10-01 08:00:37 [5] 4G: DM: profile num [1], default profile [0], active profile [0]
2018-10-01 08:00:38 [6] 4G: ERROR: 0x0000002F QMI_ERR_UNKNOWN

2018-10-01 08:00:38 [6] 4G: ERROR: Failed to get smsc address (0).

2018-10-01 08:00:39 [5] System: Enable IPv4 SPI Firewall
2018-10-01 08:00:40 [5] System: Enable IPv6 SPI Firewall
2018-10-01 08:00:40 [6] 4G: ERROR: 0x0000002F QMI_ERR_UNKNOWN

2018-10-01 08:00:40 [6] 4G: ERROR: Failed to get smsc address (0).

2018-10-01 08:00:40 [6] 4G: ERROR: 0x0000002F QMI_ERR_UNKNOWN

2018-10-01 08:00:40 [6] 4G: ERROR: Failed to get smsc address (0).

2018-10-01 08:01:40 [6] 4G: WARN: Network selecting failed, mostly rejected.

2025-06-16 21:11:33 [6] 4G: WARN: Event (0x10000001) not found its logic thread.

i really dont know what to do 
 

for more details 

i use digi (Malaysia ISP)

sorry if this respond isnt professional  im new to this forum.