Huawei B593 "NO USIM card found"

[rob54321]

Hi I just bought a huawei b593 from Telkom, got a telkom mobile sim card with 3g data on it. Inserted the sim according to the manual. When I boot I get the error message "NO USIM card found" so there is no connection or signal.

I tested the sim card in my phone. It works and says I have 3G data on it.

The mode light on the modem is purple which means sim card not recognised or inserted. It is a Telkom mobile sim card from Telkom direct store.

Is there anything else I have to do? Or is it the wrong sim card for the modem?
Thanks,
Rob

 

[RichardG]

Faulty router return it immediately did you insert the sim card correctly.

Please disabled LTE on the router and select 3G, probably you've no LTE coverage.

 

[rob54321]

Faulty router return it immediately did you insert the sim card correctly.

Please disabled LTE on the router and select 3G, probably you've no LTE coverage.

I inserted it correctly. It only goes in one way. I do have LTE coverage where I am. I am in the coverage area and I tested with my nephew's lte modem which worked at 20mbit/sec.
What else can I try? Sim card registration?

 

[rodga]

take it back and let them test it
maybe put a different sim in the router to see if it picks up that sim first?

 

[RichardG]

take it back and let them test it
maybe put a different sim in the router to see if it picks up that sim first?

No harm in trying... If it's the hardware faulty OBF. Good luck, keep us posted

 

[rob54321]

take it back and let them test it
maybe put a different sim in the router to see if it picks up that sim first?

It did not pick up any other sim. I even have a spare 8ta one which was not recognized.
I went back to telkom. The guy switched on the modem with my telkom sim without the antennas and it worked perfectly. Blue mode light. Only 1 bar signal but it connected. He says he checked the sim on the computer but did nothing.
I brought it home and it worked here for a while. I moved it and the mode light went purple. No sim. Switched it off then on. Worked again. Blue mode light 3 bars 4g signal.
I'm not sure why it is intermittent. Detection of the sim has nothing to do with signal strength.

 

[rodga]

It did not pick up any other sim. I even have a spare 8ta one which was not recognized.
I went back to telkom. The guy switched on the modem with my telkom sim without the antennas and it worked perfectly. Blue mode light. Only 1 bar signal but it connected. He says he checked the sim on the computer but did nothing.
I brought it home and it worked here for a while. I moved it and the mode light went purple. No sim. Switched it off then on. Worked again. Blue mode light 3 bars 4g signal.
I'm not sure why it is intermittent. Detection of the sim has nothing to do with signal strength.

Ill ask for a replacement

 

[RichardG]

Means your area doesn't have coverage. Insert a Vodacom card and I would recommend disabling the external antenna under settings. Sometimes the external antenna doesn't give accurate reading, internal antenna is better.. Tell me if you come right

 

[hcpeer]

Did you perhaps remove the sim while the router was on? This will cause immediate damage to the sim card reader and give the fault you describe.

 

[rodga]

Did you perhaps remove the sim while the router was on? This will cause immediate damage to the sim card reader and give the fault you describe.

How does this happen?
Silly design then...

 

[hcpeer]

I think if you remove the sim while the unit is on it could short circuit the board. The modem comes with a sticker warning you not to do that.

 

[rob54321]

Means your area doesn't have coverage. Insert a Vodacom card and I would recommend disabling the external antenna under settings. Sometimes the external antenna doesn't give accurate reading, internal antenna is better.. Tell me if you come right

Hi it has nothing to do with coverage. If the sim is not detected no network is searched for.
The problem was the physical connection between device and sim. The sim compartment was slightly out of spec.

 

[rob54321]

Solved: The sim card housing was slightly out of spec. The sim card would move then disconnect.
Telkom replaced the modem. I checked the sim card housing and it was tighter than the previous one. The modem works fine now that the sim card does not disconnect.
Telkom also seems to believe in the myth that no signal translates to no sim. The way the router works it first looks for a sim to know which network to look for. If no sim is found it cannot find a network signal. Even if there is no network coverage the router will still find the sim and not give the error message "no sim found".
Please close this thread as the problem has been solved.
Thanks for all your help.
Rob.
Oh one more thing. I get download speeds of up to 4.9MByte/sec using just the supplied external antennas. About 40+Mbit/sec. I have purchased my poynting A-XPOL-0002-V2 which supports 1.8GHz band (FDD) and 2.3GHz band (TDD). I just need to get onto the roof when the wind stops. Will post speeds again.
Rob

 

[rodga]

We dont close threads in these parts.....