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AT&T WE826-T2 Slower, Continuously Disconnecting

Posted: Mon May 20, 2019 7:15 pm
by TerriVegan

Code: Select all

AT!GSTATUS?
!GSTATUS: 
Current Time:  634		Temperature: 83
Reset Counter: 1		Mode:        ONLINE         
System mode:   LTE        	PS state:    Attached     
LTE band:      B2     		LTE bw:      10 MHz  
LTE Rx chan:   650		LTE Tx chan: 18650
LTE CA state:  NOT ASSIGNED
EMM state:     Registered     	Normal Service 
RRC state:     RRC Connected  
IMS reg state: No Srv  		

PCC RxM RSSI:  -93		RSRP (dBm):  -121
PCC RxD RSSI:  -94		RSRP (dBm):  -120
Tx Power:      23		TAC:         2C34 (11316)
RSRQ (dB):     -13.2		Cell ID:     0B537908 (190019848)
SINR (dB):      1.6


OK

Re: AT&T WE826-T2 Slower, Continuously Disconnecting

Posted: Mon May 20, 2019 7:20 pm
by TerriVegan
I have flashed over to The Rooter Project/ZBT-WE826 (16M) firmware.
Placed in MBIM mode using

Code: Select all

at!entercnd="A710"
at!usbcomp=1,1,1009
at!reset

at!entercnd="A710"
at!usbcomp=1,1,1009
at+cgdcont=1,"ipv4v6","broadband"
At!custom="IPV6ENABLE",1
at!selrat=06
at!reset

Re: AT&T WE826-T2 Slower, Continuously Disconnecting

Posted: Mon May 20, 2019 10:21 pm
by JimHelms
Your signals are barely usable. Compare:

Amtenna Stats Explained.png

Re: AT&T WE826-T2 Slower, Continuously Disconnecting

Posted: Tue May 21, 2019 7:14 pm
by TerriVegan
I'm I able to Band Lock? If so how do I?

Re: AT&T WE826-T2 Slower, Continuously Disconnecting

Posted: Tue May 21, 2019 7:56 pm
by TerriVegan
i have the same setup. I have the router and everything all in the same place. I was getting about 20Mbps-30Mbps and all of a sudden 3 weeks ago the signal changed and got weaker.

Re: AT&T WE826-T2 Slower, Continuously Disconnecting

Posted: Tue May 21, 2019 8:23 pm
by TerriVegan
I've unplugged and moved my router to various parts of the house and the number are just about the same.

AT!GSTATUS?
!GSTATUS:
Current Time: 275 Temperature: 45
Reset Counter: 1 Mode: ONLINE
System mode: LTE PS state: Attached
LTE band: B2 LTE bw: 10 MHz
LTE Rx chan: 650 LTE Tx chan: 18650
LTE CA state: NOT ASSIGNED
EMM state: Registered Normal Service
RRC state: RRC Connected
IMS reg state: No Srv

PCC RxM RSSI: -90 RSRP (dBm): -116
PCC RxD RSSI: -90 RSRP (dBm): -122
Tx Power: 0 TAC: 2C34 (11316)
RSRQ (dB): -9.3 Cell ID: 0B537908 (190019848)
SINR (dB): 6.2


OK

Re: AT&T WE826-T2 Slower, Continuously Disconnecting

Posted: Tue May 21, 2019 8:37 pm
by TerriVegan
i just did a factory reset. I pushed the reset button on the box.


Tue May 21 21:20:01 2019 : /dev/ttyUSB1 AT!SELRAT?
!SELRAT: 06, LTE Only
OK

Tue May 21 21:20:02 2019 : /dev/ttyUSB1 AT+CFUN=1
OK
ATI
Manufacturer: Sierra Wireless, Incorporated
Model: MC7455
Revision: SWI9X30C_02.24.05.06 r7040 CARMD-EV-FRMWR2 2017/05/19 06:23:09
MEID: 35907206212334
IMEI: 359072062123340
IMEI SV: 12
FSN: LQ817381530210
+GCAP: +CGSM
OK
AT+CNUM
ERROR
AT+CPBR=?
ERROR

Tue May 21 21:20:04 2019 : /dev/ttyUSB1 AT!SELRAT?
!SELRAT: 06, LTE Only
OK

Tue May 21 21:20:05 2019 : /dev/ttyUSB1 AT+CIMI
ERROR

Tue May 21 21:20:07 2019 : /dev/ttyUSB1 AT+CRSM=176,12258,0,0,10
+CME ERROR: operation not allowed

Tue May 21 21:20:08 2019 : /dev/ttyUSB1 AT+COPS=0,,,7
+CME ERROR: SIM failure

Tue May 21 21:20:10 2019 : /dev/ttyUSB1 AT+CGDCONT=?
+CGDCONT: (1-24),"IP",,,(0-2),(0-4),(0-1),(0-1)
+CGDCONT: (1-24),"PPP",,,(0-2),(0-4),(0-1),(0-1)
+CGDCONT: (1-24),"IPV6",,,(0-2),(0-4),(0-1),(0-1)
+CGDCONT: (1-24),"IPV4V6",,,(0-2),(0-4),(0-1),(0-1)
OK

Tue May 21 21:20:11 2019 : /dev/ttyUSB1 AT+CGDCONT?;+CFUN?
+CGDCONT: 1,"IPV4V6","broadband","0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0",0,0,0,0
+CFUN: 1
OK

Tue May 21 21:20:25 2019 : /dev/ttyUSB1 AT+CMGS=?;+CMGL=?;+CMGR=?
ERROR

Re: AT&T WE826-T2 Slower, Continuously Disconnecting

Posted: Tue May 21, 2019 8:39 pm
by TerriVegan
this is what I got from the set so far.

AT!GSTATUS?
!GSTATUS:
Current Time: 390 Temperature: 40
Reset Counter: 1 Mode: ONLINE
System mode: LTE PS state: Not attached
LTE band: B13 LTE bw: 10 MHz
LTE Rx chan: 5230 LTE Tx chan: 4294967295
LTE CA state: NOT ASSIGNED
EMM state: Deregistered Limited Service
RRC state: RRC Idle
IMS reg state: No Srv

PCC RxM RSSI: -73 RSRP (dBm): -110
PCC RxD RSSI: -71 RSRP (dBm): -107
Tx Power: 0 TAC: B000 (45056)
RSRQ (dB): -19.0 Cell ID: 02B22003 (45228035)
SINR (dB): -5.8


OK