[mac4theblind] Re: Field Test Mode for IPhone 4S with IOS 7.002
- From: John Harden <jharden01@xxxxxxxxxx>
- To: mac4theblind@xxxxxxxxxxxxx
- Date: Mon, 21 Oct 2013 20:27:34 -0400
You have to put the star at the beginning and at the and of the number
sequence. I don't know if there are some areas or some services that this will
not work on but it does work on my Verizon phone.
John Harden
Quality Brailler Repair LLC
For professional Perkins Braille Writer repair.
386-238-5871
jharden01@xxxxxxxxxx
145 N. Halifax Ave. #605
Daytona Beach, FL 32118
On Oct 21, 2013, at 3:25 PM, Brian Lingard <b.lingard@xxxxxxxxxxxx> wrote:
> Ottawa Canada
>
> Dear David and List:
>
> You said entering the numbers:
>
> *3001#12345# then pressing the Call button on an IPhone brings up the Field
> Test Mode which displays signal strength in dB instead of bars.
>
> Well I did this and my IPhone 4S with IOS 7.02 displayed:
>
> Error processing request: Unknown error.
>
> Does this key sequence work on all models of IPhone or only some?
>
> Thanks
>
> Brian
>
>
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