WE826 / MC7455 wont connect to LTE Bands

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jerrett.watson
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WE826 / MC7455 wont connect to LTE Bands

Post by jerrett.watson » Fri Oct 11, 2019 10:24 am

Having a problem getting WE826 / MC7455 to connect to LTE Bands. I flashed Golden Orb 2019-03-10. I changed modem to MBIM mode and still no change. I have internet connection but a very slow one. I'm getting a consistent 61% signal strength. I rebooted once and it temporarily connected to band B20 at 100% but it lost the connection and I have not been able to get it back.

This is what I get when running AT!GSTATUS command:

AT!GSTATUS?
!GSTATUS:
Current Time: 1076 Temperature: 53
Reset Counter: 1 Mode: ONLINE
System mode: WCDMA PS state: Attached
WCDMA band: WCDMA 1900
WCDMA channel: 687
GMM (PS) state:REGISTERED NORMAL SERVICE
MM (CS) state: IDLE NORMAL SERVICE

WCDMA L1 state:L1M_DCH LAC: 4877 (18551)
RRC state: CELL_DCH Cell ID: 0CB45A11 (213146129)
RxM RSSI C0: -81 RxD RSSI C0: ---
RxM RSSI C1: --- RxD RSSI C1: ---


OK


Hoping I'm missing a setting somewhere. Any help is appreciated.

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JimHelms
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Re: WE826 / MC7455 wont connect to LTE Bands

Post by JimHelms » Fri Oct 11, 2019 1:09 pm

What plan are you using?

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jerrett.watson
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Re: WE826 / MC7455 wont connect to LTE Bands

Post by jerrett.watson » Fri Oct 11, 2019 8:11 pm

Att iPad prepaid unlimited plan.

I have a wg3526 / mc7455 on same plan and setup and it works great. Typical speeds of 50 Mbps.

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jerrett.watson
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Re: WE826 / MC7455 wont connect to LTE Bands

Post by jerrett.watson » Fri Oct 11, 2019 8:15 pm

I've verified proper antennae connections and checked SIM card is seating properl as well.

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JimHelms
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Re: WE826 / MC7455 wont connect to LTE Bands

Post by JimHelms » Sat Oct 12, 2019 5:20 am

Are you running the generic firmware on the modem?

Have you tried resetting the modem to OEM?

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jerrett.watson
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Re: WE826 / MC7455 wont connect to LTE Bands

Post by jerrett.watson » Sat Oct 12, 2019 8:05 am

Yes. I did reset the modem to oem.

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JimHelms
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Re: WE826 / MC7455 wont connect to LTE Bands

Post by JimHelms » Sat Oct 12, 2019 8:21 am

Have you tried swapping SIM Cards with the WG3526, to make sure this SIM card will work and receive the LTE Bands.

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jerrett.watson
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Re: WE826 / MC7455 wont connect to LTE Bands

Post by jerrett.watson » Sat Oct 12, 2019 10:21 am

I wasn't sure if the sim would work in another device once its used initially. I'll give it a try.

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jerrett.watson
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Re: WE826 / MC7455 wont connect to LTE Bands

Post by jerrett.watson » Sun Oct 13, 2019 10:23 am

The problem is with the SIM card. It doesn't connect to lte bands in either router. Is it possible it's a bad sim or did I purchase wrong one? It's an att blue prepaid SIM card.

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JimHelms
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Re: WE826 / MC7455 wont connect to LTE Bands

Post by JimHelms » Sun Oct 13, 2019 1:30 pm

It is probably the IMEI used for the plan. I have seen this on a number of occasions.

For example, some of the iPad and plans are not compatible with some carrier bands.

iPad IMEI Examples.png

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