[Replicant] Which smartphones comes without baseband processors?

[David Hedlund]

Thank you for your answer Paul.

I'm completely new the research field of free smartphones. Can you 
please rewrite and/or improve this check list for good candidates:

* Baseband processor integrated in the same chip or into separate chips
* Baseband processor isolated from
** GPS
** RAM
** user I/O
** storage
** camera
** microphone


On 2016-05-06 21:35, Paul Kocialkowski wrote:
> Hi,
>
> Le vendredi 06 mai 2016 à 14:17 +0200, David Hedlund a écrit :
>> For now we know that even "single core" mostly comes with 2 processors:
>> * a baseband processor (BPP, aka modem processor) that is used for GSM network
>> * a application processor (main processor)
> Keep in mind that these processors might be integrated in the same chip or into
> separate chips, with the modem having more or less control over the rest. For an
> in-depth description, see: https://www.replicant.us/freedom-privacy-security-iss
> ues.php
>
>> Question 1: Tiberiu-Cezar from Tehnoetic (tehnoetic.com) just informed me that
>> Replicant developer PaulK is working on a free bootloader for LG Optimus Black
>> (P970). Is this smartphone equipped without baseband processor?
> Smartphone have, by definition, a modem (baseband processor). What's interesting
> to look it is how isolated it is from the rest. Investigation regarding the
> Optimus Black shows promising results on that regard.
>
>> Question 2: Have anyone yet made a list of smartphones without baseband
>> processors that can be used as candidates Replicant?
> You probably mean Wi-Fi-only tablets. A few are supported and some are known to
> be good candidates (e.g. Allwinner tablets or the first generation Kindle Fire).
>