Invalid SIM or No SIM error
As SIM cards have shrunk, the points of connection between the SIM and device have become smaller. This means that simply pressing the SIM in "all the way" can sometimes miss the delicate connection between the two. Sometimes, simply pulling back the SIM a small amount can restore this connection.
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SIM Error / SIM Not Installed
Power your device off, remove the power cord and battery. Take out the SIM card and put it back again. Some routers have a metal cover that clicks in to hold a SIM down, try adding a small cut out piece of paper to add resistance and help the ...
SIM reactivation policy
RED SIM may be reactivated within 1 year of service cancelation/suspension. BLUE SIM may not be used again after it has been canceled. May be reactivated if only suspended. PINK SIM may be reactivated within 90 days of service cancelation/suspension.
AC815S / Unite Explore Manual
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MHS700L Manual
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M2000 Manual
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