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My Sprint Nexus S 4g is running CyanogenMod 9 (ICS 4.0.4).

I want to use stock 2.3.6 which I got from https://sites.google.com/site/baroqueworksdevandroid/offcail-binary. In recovery mode I get this error:

assert failed: getprop("ro.product.device") == "crespo" || getprop("ro.build.product") == "crespo"

Error

Status 7

Installation aborted`

Now I realize at this point that this has SOMETHING to do with the variety of cryptic code names for the Nexus S phones as well as a possibility that the current ROM I am using might have the wrong code name embedded in it, making my downgrading difficult.

1) What is the code name for the Sprint Nexus S 4g which is a CDMA phone but not the Verizon codename?

2) Does that link have the proper ROMs for this phone?

3) Other options? I need to flash this back to 2.3.6

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1 Answer

up vote 2 down vote accepted

1) What is the code name for the Sprint Nexus S 4g which is a CDMA phone but not a the Verizon codename?

The crespo codename is the GSM variant of the Nexus S (Verizon never carried it). Sprint's NS4G is simply codenamed crespo4g.

2) Does that link have the proper ROMs for this phone?

No, those are all for the GSM crespo version.

3) Other options? I need to flash this back to 2.3.6

Where can I find stock or custom ROMs for my Android device? covers your options pretty well. In this case, the first heading of the answer will be a good start:

Google Flagship Updates

Google hosts update packages for the flagship Nexus devices at http://android.clients.google.com/packages/. You can't browse that link directly, but web search is your friend here. Search for that link plus the code name of the device and the version you want; for example, searching android.clients.google.com/packages crespo ics results in a lot of pages with this link -- the OTA Ice Cream Sandwich update for the T-Mobile Nexus S.

Searching for android.clients.google.com/packages "crespo4g" gingerbread returns a number of results. One of them is this XDA thread, with a collection of links to stock firmwares.

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very helpful, now I get installation aborted on the image I chose. waah. okay I'm on the right track though –  CQM May 20 '12 at 7:01
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