First All Check:1.Confirm whether same sim card is working in other h.s or not.2.Make sure the sim slot is o.k. only try these two.3.If all the above steps fails, check the SIM card connector pins for damage.if so try to get serviced. 4.if ur sim card is good then it is problum form sim card ic u have u raplace it with SMD.u can make it jumper mean u can fix this prob with out sim card is for this contact.5.take sim connector slight up by pin then cheak by inserting sim.6.hot air gun on sim i.c. then cheak it.Last Option:IF make sure that the sim card hasn't been damamged at all sO Please You Go to Service& Sim Office and Get the Duplicate Sim Same Your No From Office OpratorProblem will Solved Quickly
Full 'make model (what it is)' in all questions please, first 3 words.
Capacitors can split or bulge, resistors can burn,, the transformer can fail internally..
Take it for repair unless you have the thousands of dollars of test equipment and have do the 2 year electronic course.
A communication error has occurred between the outdoor and indoor units. Faulty wiring or a malfunctioning control unit may be responsible. Contact LG customer service for assistance. Their number is 1 800 243 0000.
You will need to connect a single HDMI cable from your sound bar to the HDMI ARC or the HDMI eARC port on the Roku T.Make sure that both of the devices are both turned on.When your TV detects the sound bar,it will then automatically initiate the setting up process. Lastly follow the easy on screen instructions to finish setting up the connection.
