09-01-2012, 11:54 PM
| | Re: 2G Phone and 3G SIM's ?
On 01/09/2012 16:44, Whiskers wrote:
> On 2012-09-01, JohnB <john.brennandREMOVE@ntlworld.com> wrote:
>> I cant find a clear answer for this issue so thought I would ask on
>> here. I have a "new" car with an inbuilt phone. The hand book says that
>> it is 900/1800 dual band. Now as the car is 10 years old I assume it was
>> fitted in the time of 2G networks only. I have tried it with PAYG
>> SIM's from all the usual networks and in all cases the message on
>> display is "Please wait" and nothing ever happens.
>> I guess there might be a problem with the unit and I could take it to
>> the dealers for a "diagnosis" but before doing that (¬£¬£!) I am just
>> wondering whether the phone simply does not like these new 3G SIM's and
>> isn't connecting to the networks. So for comparison, would an old Nokia
>> 402 or Moto c520 (for example) work with these newer SIM's?
>> I got an O2 SIM from the Bay that was claimed to be 2G/3G compatible but
>> with the same result. So is it worth looking for some of the retro 2G
>> SIM cards and trying them or is more likely that the phone is goosed?
>> Thanks for any input - John
> Does the unit need to be re-set or have a PIN or password entered? If the
> car battery has been removed or allowed to run flat, or the unit has been
> disconnected from the wiring, there may be some sort of security system
> disabling it.
> Is it 'locked' to a network you haven't tried yet?
Shouldn't be locked car-phones rarely are and I have tried SIMs from all
of the "majors". It might as you say need resetting - unfortunately I
cant get into the menu to do that as you cant get past the "please wait"
message. I think I need to get the dealer to read the error codes