Monday , 28 July 2014
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Solve Check Operator Services problem with Dual sim mobile

If you have a Dual sim mobile, you might come across various problems while making a call. This is due to the nature in which the Dual sim technology works.

One such problem, that you may encounter is ‘Check Operator services’, which doesn’t allow you to make outgoing calls. This may be because you are using line 1 for calling where you should be using line 2, or vice versa. There are 3 types of dual sim phones basically and not all of them can have 2 sim’s active at a time. And one has to regularly switch between sim’s where-ever necessary to use that particular number.

To solve this problem (for all dual sim phones of Micromax, Karbonn, iBall, Celkon etc), all you have to do is make a line switch. For most phones, there will be a line switch setting under (Sim 1 or Sim 2) Call settings. Just change the line and your problem should be solved and you should be able to make outgoing calls.

All you are doing here is using the correct line with the correct sim. If you are trying to make a call using sim 1 while line 2 is in use, you will get the mentioned error or vice versa.

If you have a Nokia dual sim mobile, you can switch the line by just holding down the # key for some time.

On latest, expensive Dual sim mobile, both sim cards will be active at the same time and you make make calls using any of then at any time. Also, when you’re talking on one number, your other number will receive messages and calls. The way it handles such situations, for example putting the caller on waiting etc will depend on how your phone manufacturer has developed it to work.

Note: Although this is the most common reason (irrespective of network, Airtel, Vodafone etc) to get the mentioned error, there might be other reasons as well. For example, if you have call barring enabled for outgoing calls, you might get similar error)

7 comments

  1. Thank you !! It worked GREAT! My mobile problem is solved.

  2. omg thank you so much! this was exactly the problem i had with my dual sim card phone solved, Thank you so much for this tip!! awesome

  3. thank you ! its worked GREAT

  4. In K550i mobile When I get second call if I press receive call button it shows me check your operator service… can you clear my doubt…

  5. omg thank you so much! this was exactly the problem i had with my dual sim card phone and i was all ready to package it up and send it back for a refund!! Again thank you so much for this tip!! awesome

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