Re: Sony Ericsson K200i flash protection

2023-12-01 Thread Vadim Yanitskiy
On 01.12.2023 23:01, Mychaela Falconia wrote: In both cases, there are NO "hard" security features activated, hence on both flash chips we should be able to clear those non-volatile sector lock bits (called PPBs or persistent protection bits) and unlock all sectors. The programming procedure

Re: Sony Ericsson K200i: R1AA003 vs R1AA008

2023-12-01 Thread Vadim Yanitskiy
Hi Mychaela, On 01.12.2023 23:01, Mychaela Falconia wrote: Of course the MS Classmark does not contain any bits related to the codec support. I meant to say the Bearer Capability, but wrote this instead. In any case, for the sake of completeness, I will compare both the Bearer Capability and

Re: New phone discovery: Sony Ericsson J120

2023-12-01 Thread Mychaela Falconia
Hi Vadim, > Today I took the phone apart and made a few photos of the PCB. Here is > the best one of them, uploaded to Osmocom's Redmine: > > https://osmocom.org/attachments/7155 > https://osmocom.org/attachments/download/7155/SE-J120i-PCB.jpg Thank you for this photo, it is very clear! > *

Re: New phone discovery: Sony Ericsson J120

2023-12-01 Thread Vadim Yanitskiy
Hi Mychaela and community, On 30.11.2023 04:58, Mychaela Falconia wrote: However, I now have to revise that hypothesis - my current working hypothesis is that the swear block is, after all, fully defunct code, totally dead. My rationale: the portion of the firmware we are looking at here is

Re: Sony Ericsson K200i with SAMSUNG flash

2023-12-01 Thread Mychaela Falconia
Hi Vadim, > Of course the MS Classmark does not contain any bits related to the > codec support. I meant to say the Bearer Capability, but wrote this > instead. In any case, for the sake of completeness, I will compare both > the Bearer Capability and the Classmark between those firmware

Re: Sony Ericsson K200i with SAMSUNG flash

2023-12-01 Thread Vadim Yanitskiy
Hi Mychaela, On 01.12.2023 15:47, Mychaela Falconia wrote: * The IMEI reported by the phone starts with the '35617701' prefix we saw, but the label behind the battery has a completely different IMEI with a different prefix '35871701'. A refurbished phone with mismatched plastic case and

Re: Sony Ericsson K200i with SAMSUNG flash

2023-12-01 Thread Mychaela Falconia
Hi Vadim and community, > I acquired another SE K200i and picked it up from the local post > department today. It's the third K200i in my collection, and this new > phone is a bit different from the two that I already have. > [...] > * SAMSUNG K5L29xx_A flash (according to fc-loadtool), not