GSM-Forum - View Single Post - 'Invalid UIM' in ZTE818D/MTS BLAZE Dual SIM Mobile

nag2014 · 11-09-2014, 15:20

There is some solution in a web page in internet as given below:

When display shows the "No Ruim Card " problem with inserting MTS sim of MTS handset.

Solving process discuss the following Steps

Step1:
Dial *#0203#

Step2:
Display shows Factory test. Select Factory Reset from the Factory test menu and again select ok button for reset.

Step3:
switch off the handset and then switch on

I tried this. But, I get the following message :

USSD Code running; Connection problem or invalid MMI code.

I am not able to progress further. I am held up.

11-09-2014, 15:20	#3 (permalink)
nag2014 Junior Member Join Date: Nov 2014 Posts: 3 Member: 2289476 Status: Offline Thanks Meter: 0	There is some solution in a web page in internet as given below: When display shows the "No Ruim Card " problem with inserting MTS sim of MTS handset. Solving process discuss the following Steps Step1: Dial #0203# Step2: Display shows Factory test. Select Factory Reset from the Factory test menu and again select ok button for reset. Step3: switch off the handset and then switch on I tried this. But, I get the following message :* USSD Code running; Connection problem or invalid MMI code. I am not able to progress further. I am held up. Last edited by nag2014; 11-09-2014 at 15:26.