Updating from locked o2 stock 2.2 to 407. - Streak 5 Q&A, Help & Troubleshooting

Hi,
I've been reading around but am not satisfied with the answers given regarding this question. I've a 2nd locked Dell Streak begging for a taste of GB but I recall having read all manner of things "back in the day" about requiring a rebelsim to change recoveries etc, but can't find that info now for a definitive answer.
I want to move from o2's stock. Can I just fastboot flash the 407 recovery and update.pkg it, or are there more steps due to the fact it's locked?
Thanks in advance.
Sent from my Dell Streak

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Please, don't all jump at once...
Sent from my Dell Streak

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as far as im aware you would have to use fastboot , and flash the recovery, then the update.pkg, theres lots of threads and guides on here telling you how to do this, also check the wiki lots of good info there too

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I saw those, but there was nothing - for me - specific to o2.
The biggest issue for me is remembering reading a requirement for a rebelsim or goldcard?
Or... am I confusing this with another device? :-/
I have read the wiki a few times while learning about Modding my unlocked phone. The locked one is new to me though.
Sent from my Dell Streak

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Bayton said:
I saw those, but there was nothing - for me - specific to o2.
The biggest issue for me is remembering reading a requirement for a rebelsim or goldcard?
Or... am I confusing this with another device? :-/
I have read the wiki a few times while learning about Modding my unlocked phone. The locked one is new to me though.
Sent from my Dell Streak
Click to expand...
Click to collapse
The fact that its locked just means you can only use your o2 SIM. I don't think it has anything to do with your ROM. You just flash the amss and then the dsp1 files, flash recovery and then flash the stock package. From there you can move to custom ROMs for GB. There is still no guarantee the GB ROM will recognize your SIM... simple as that

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The radio files should be included in the update package... at least it seemed to flash them when I went from 351 to 407 on my unlocked streak.
Everything else though: spot on, thanks! I will give it a go and hope for the best
Sent from my Dell Streak

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UNLOCK
I have a 02 one I am almost sure you have to unlock it first which i did with unlockstreak.com it does cost $29 though but you can test first to see if it can and i paid through pay pal.If you do look in your spam folder for email with code as i didnt see it at first. The site is to down load the software and test is
www$unlockstreak£com/pages/download-dell-streak-unlock-software?ref=874b1d7212afe8cc4672f2f53d9976c12a5ea0e5
and a write up about it at www$streaksmart$com/2011/02/dell-streak-unlocker-software-unlocks-streak-in-minutes.html
as to the flashing i have done gingerstreak 244 and dsp amass streak mod recovery i didnt do a normal recovery upgrade first though so not sure if i did it right still have to look into this but it works

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you deffo dont have to unlock it as mines is still o2 and im running gingerbread dsc rom, just make sure you flash the required amss and dsp1 file then recovery and rom you should be set to go

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If I recall correctly, all a RebelSIM does is allow SIM cards from any carrier to be used in the device without having the device's unlock code. Thus using a RebelSIM should not affect the ability to flash ROMs. My Aria and my roommate's Inspire are both SIM locked to AT&T, yet both have custom ROMs (Cyanogenmod for the Aria, Android Revolution HD for the Inspire).

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SORRY
[email protected] said:
you deffo dont have to unlock it as mines is still o2 and im running gingerbread dsc rom, just make sure you flash the required amss and dsp1 file then recovery and rom you should be set to go
Click to expand...
Click to collapse
My mistake sure i read it had to be unlocked might have confused it with my hd2.
Can you tell me if i should flash a 350 recovery or is strak mod a recovery instead.Only when i went from o2 rom to gingerstreak i did not flash a recovery.only streakmod recovery.I did streak mod then dsp amass then gingerstreak thank you

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407 requires either 350 or 407 recoveries
Sent from my Dell Streak

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Ok heres what i did, flashed the appropriate dsp1 and amss files for gingerbread, then f-ash streakmod recovery , then via the recovery flashed dsc rom, but some say it might be better if you flash official 2.3 first then custom rom over it, entirely upto you but i flashed dsc gingerbread rom straight over froyo 2.2
Sent from my Dell Streak using xda premium

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Thank you all for the input, I will give it a go!
You've been most helpful to me and anyone else to have the same question in the future.
Sent from my Dell Streak

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sent u a pm mate

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thank you
[email protected] said:
Ok heres what i did, flashed the appropriate dsp1 and amss files for gingerbread, then f-ash streakmod recovery , then via the recovery flashed dsc rom, but some say it might be better if you flash official 2.3 first then custom rom over it, entirely upto you but i flashed dsc gingerbread rom straight over froyo 2.2
Sent from my Dell Streak using xda premium
Click to expand...
Click to collapse
I see I did streakmod first then dsp amas then ginger its working ok just didnt know if i had to do the recovery or if strakmod was a recovery that you can use instead of.Thank you and im not trying to hijack this thread but i get the impression the 02 device is a bit different to do than a dell one.

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Bayton, it shouldn't matter that you're on o2 but you can always e-mail o2 and they will send you an unlock code for free - I did it myself. There is a page on the o2 website where you can fill in a unlock code request. If they refuse the code tell them they must have made a mistake and that you know someone who's had theirs unlocked. This happened to me and then they sent the code.
Cheers.