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SPLs for DREA100 & DREA110 (Orig, Eng, Hard) [updated 2009-05-12]

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jashsu
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(Last edited by jashsu; 15th August 2009 at 04:30 PM.)
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Default SPLs for DREA100 & DREA110 (Orig, Eng, Hard) [updated 2009-05-12]


SPLs for DREA100 & DREA110


About SPLs

This thread contains information and downloads for SPLs for the HTC Dream (aka T-Mobile G1 and ADP1). What is a SPL? The SPL, or Second Program Loader, in conjunction with the IPL comprise a device's bootloader. Aside from bootstrapping Android, the bootloader also fulfills various diagnostic functions. One of these functions is the manipulation of data in the device's internal flash ram. Depending on the SPL installed, the user can apply a signed NBH file, flash nand images, and more. Note that the SPL is installed and operates independently of the Android build that runs atop it.

Currently there are three SPLs available. The G1 variant is the SPL that is installed in stock T-Mobile G1 phones. The Engineering variant is found in the Android Dev Phone 1. Finally, the HardSPL is a modification of the Engineering variant by cmonex, with additional hacker-friendly functionality. HardSPL is the recommended SPL.

Installation

The SPLs are packaged in the familiar update.zip format and install from the recovery console in the same fashion as other update files.

0. This is only verified to work for DREA100 and DREA110 devices. If you have a US or EU G1, it is most likely compatible. To check, boot into the SPL and confirm that the first word is DREA100 or DREA110. Please do not attempt to flash a SPL onto a Dream that does not fit that description!
1. If you are installing onto a G1, your G1 must already have been "rooted" or otherwise have test-keys installed. ADP1 is exempt from this.
2. Download the desired SPL zip file (attached below), rename it to update.zip and copy it to the root of your sdcard. As usual, remember to use a USB cable with a ferrite core and dismount your USB drive before disconnecting.
3. Reboot the phone into recovery console and flash the update with Alt+S.
4. To confirm it has installed properly, power on the G1 with BACK + END to enter the bootloader. When you are done, press CALL + MENU + END to leave the bootloader.
5. To revert a G1 to its factory original SPL, simply apply the G1 Original SPL file.

Quote:
HardSPL (recommended)

VER: HSPL10.95.3000
ZIP: splhard1_update_signed.zip
MD5: 6502af25b9e9fbe1322cc405559af1ca


HardSPL is a modification of the Engineering SPL by cmonex. In addition to the functionality of the Engineering SPL, HardSPL also allows NBH files to be used without matching the CID (carrier ID) check. At the current time the main benefit of this is to allow European G1s flash American NBH files and vice versa. All other features and attributes of the Engineering SPL (such as the ability to flash the mtds from nand backup images) are present. Using the Nandroid backup scripts to create nand backups for this purpose is recommended.

Quote:
Engineering SPL

VER: HBOOT-0.95.3000
ZIP: EngBootloader_v2_NoSigCheck.zip
MD5: 8008e01cb2c35e06b704e4dfb624ce4e


The Engineering SPL is a custom SPL installed in devices intended for Android development. It has existed since before the launch of the G1 and is now available to the general public as preinstalled on the Android Dev Phone 1, the official development device sold by Brightstar Corp. This SPL, in addition to flashing signed NBH files, can also flash nand dumps through the use of the fastboot protocol (as defined in the legacy bootloader documentation). This is a convenient way to flash the mtd partitions and can be greatly useful in the event that an undesirable build of Android is advertently or inadvertently installed.

This SPL was first originally dumped from a G1 which dream_kill received as a replacement from T-Mobile by cmonex and JesusFreke. The file was released by Disconnect on his webpage.

Quote:
G1 Original SPL

VER: HBOOT-0.95.0000
ZIP: G1OrigBootloader_nocheck.zip
MD5: ae58b427b797707c453f3b3fa9d13c76


This is the original SPL which is installed in a stock G1. It is easily distinguished by the "trademark" red-green-blue bootloader screen which appears in many HTC phones. This SPL does not support the fastboot protocol and thus will not allow the user to flash nand backup images.

Before the leak of the TC4-RC29 and TC5-RC7 signed NBH images, users running stock RC30 and RC8 were unable to downgrade and install modified Android builds. On January 1st, 2008, xda-dev user chavonbravo leaked the aforementioned files, which allowed users to downgrade G1s through the original SPL. This SPL was dumped by damien667.

Download
Attached Files
File Type: zip EngBootloader_v2_NoSigCheck.zip - [Click for QR Code] (176.2 KB, 13527 views)
File Type: zip G1OrigBootloader_nocheck.zip - [Click for QR Code] (205.4 KB, 40923 views)
File Type: zip splhard1_update_signed.zip - [Click for QR Code] (176.2 KB, 24084 views)
 
mack
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awesome. anyone wanna try it first? I hope this gives us access to the bootloader?

anyway Dream_kill is probably one of the luckiest guy to recieve one as a replacement from tmobile. He should buy the lottery. lol
Nexus One...sold

Samsung Galaxy S Captivate...arriving
 
Stericson
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(Last edited by Stericson; 7th December 2008 at 06:36 AM.)
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I just did it....no problems yet......
The update went really really quick.....
Woohooo...No problems! I see android skateboarding!

Thanks alot dream_kill, cmonex and JesusFreke,you guys are awesome!
 
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Quote:
Originally Posted by mack View Post
awesome. anyone wanna try it first? I hope this gives us access to the bootloader?

anyway Dream_kill is probably one of the luckiest guy to recieve one as a replacement from tmobile. He should buy the lottery. lol
I've tried it. It works. . Read the warning though, if something goes wrong during the flash, you'll probably have a brick.
"Whether You Think You Can or Can't, You're Right"
--Henry Ford

Android Developer Phone 1 - JFv1.51 - REPRESENT!
 
card13
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Whatcha think, another couple of weeks before us unlucky ppl that got the official rc30 can have at least root? haha, thanks google you guys finally came to our rescue. and t-mobile thanks for your mistake!
 
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(Last edited by hetaldp; 2nd January 2009 at 01:05 PM.)
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I am still helpless!

Was Busy around some Issue Developers G1 is a Welcome though but would be Happy if they had allowed Official RC30 to Developers Edition after voiding Warranty also. Hey Google Are you Listening

Edited: on 1-1-2008 New year gift

Thanks ti RC29-NBH file I have root now on OTA RC30 and now converted phone to ADP1
 
neoobs
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Big question... does this change your build type?
 
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(Last edited by tmrepp; 7th December 2008 at 09:01 AM.)
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Quote:
Originally Posted by neoobs View Post
Big question... does this change your build type?
...kernel version now says...
2.6.25-01843-gfea26b0
root@carrier #21


build number says
kila-user 1.0 tc4-rc30 116143 ota-rel-keys,release-keys


...didn't check what they were beforehand.
 
jashsu
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Quote:
Originally Posted by neoobs View Post
Big question... does this change your build type?
This only affects your bootloader (specifically the second program loader). The software stack above that (kernel and userland) is unaffected.
 
LvDisturbed1
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Great news...can't wait till someone figures out a way to get this on RC30(stock).

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