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Difference between revisions of "X-Gold 618 Unlock"
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| − | The [[ |
+ | The [[N90AP|iPhone 4]] and the new iPad 2 uses the [[X-Gold 618]]. Unlike the [[X-Gold 608]], the baseband now requires a signature akin to Apple's [[SHSH]] blobs for firmware files, so downgrading an updated baseband, provided there is a bootloader exploit, will be tougher. |
| − | + | Unsigned code execution has been achieved by [[MuscleNerd]] on the device and the ability to insert a custom AT command has been demonstrated. Shortly after, a persistent/background task was inserted. Also, the bootrom has been successfully dumped. |
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| + | On {{date|2018|07|13}}, planetbeing demonstrated a primitive but functional unlock on [http://www.youtube.com/watch?v=41rm8MCdoh8 YouTube]. The unlock was made ready for release and on {{date|2010|08|03}}, it was made available in Cydia via [[ultrasn0w]]. |
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==Possible Methods== |
==Possible Methods== |
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* Find an exploit in the bootrom to break the chain of trust. |
* Find an exploit in the bootrom to break the chain of trust. |
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| − | * Improve by several orders of magnitude the NCK |
+ | * Improve by several orders of magnitude the [[NCK Brute Force]]r, and find a way to extract the [[CHIPID]] and [[NORID]] |
* Find the theorized algorithm of NCK generation |
* Find the theorized algorithm of NCK generation |
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* Find a way to patch running memory to "unlock" the phone on every bootup. This is how [[ultrasn0w]] works. |
* Find a way to patch running memory to "unlock" the phone on every bootup. This is how [[ultrasn0w]] works. |
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* Find an exploit in the Baseband Bootloader so you can downgrade the baseband, then use an unlocking payload, similar to ultrasn0w. |
* Find an exploit in the Baseband Bootloader so you can downgrade the baseband, then use an unlocking payload, similar to ultrasn0w. |
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| + | [[Category:Unlocking Methods]] |
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Latest revision as of 13:46, 17 September 2021
The iPhone 4 and the new iPad 2 uses the X-Gold 618. Unlike the X-Gold 608, the baseband now requires a signature akin to Apple's SHSH blobs for firmware files, so downgrading an updated baseband, provided there is a bootloader exploit, will be tougher.
Unsigned code execution has been achieved by MuscleNerd on the device and the ability to insert a custom AT command has been demonstrated. Shortly after, a persistent/background task was inserted. Also, the bootrom has been successfully dumped.
On 13 July 2018, planetbeing demonstrated a primitive but functional unlock on YouTube. The unlock was made ready for release and on 3 August 2010, it was made available in Cydia via ultrasn0w.
Possible Methods
Class 1
- Find an exploit in the bootrom to break the chain of trust.
- Improve by several orders of magnitude the NCK Brute Forcer, and find a way to extract the CHIPID and NORID
- Find the theorized algorithm of NCK generation
Class 2
- Use a SIM hack such as the TurboSIM Unlock
- Find a way to patch running memory to "unlock" the phone on every bootup. This is how ultrasn0w works.
- Find an exploit in the Baseband Bootloader so you can downgrade the baseband, then use an unlocking payload, similar to ultrasn0w.
