[mac4theblind] Re: Field Test Mode for IPhone 4S with IOS 7.002
- From: Scott Granados <scott@xxxxxxxxxxxxxxxx>
- To: "mac4theblind@xxxxxxxxxxxxx" <mac4theblind@xxxxxxxxxxxxx>
- Date: Mon, 21 Oct 2013 15:29:19 -0400
Which network is your 4S on. I believe this is for GSM phones or LTE GSM
hybrids only. I know the 5S for example this works but I believe the 4S has a
specific CDMA and GSM version unlike the 5S that uses a single radio.
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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