[Windows Phone 7 Development and Hacking] voluptuary:
UNLOCKS LISTED FROM MOST TO LEAST POWERFUL, MORE POWERFUL INCLUDES LOWER LEVELS. THIS IS NOT A CARRIER UNLOCK THREAD.

Dell (1st Gen)

Full Unlock: No method yet

Root Unlock: No method yet

Interop Unlock: No method yet

Developer Unlock: Two (was three) methods:

* Register for AppHub account to sideload 10 apps ($99 a year)

* Register for AppHub student to sideload 3 apps (Free, must be a student)

* Purchase Chevron Labs Token to sideload 10 apps (Tokens have sold out, old tokens valid until July 2012)

HTC (1st Gen)

Full Unlock: Via custom ROM's

Root Unlock: Per app via Root Tools (v1 drivers required), Per app via HtcRoot Project (v0 drivers required)

Interop Unlock: Via Heathcliff74's unlock pending driver version

Developer Unlock: Two (was three) methods:

* Register for AppHub account to sideload 10 apps ($99 a year)

* Register for AppHub student to sideload 3 apps (Free, must be a student)

* Purchase Chevron Labs Token to sideload 10 apps (Tokens have sold out, old tokens valid until July 2012)

HTC (2nd Gen)

Full Unlock: No method yet

Root Unlock: No method yet

Interop Unlock: No method yet

Developer Unlock: Two (was three) methods:

* Register for AppHub account to sideload 10 apps ($99 a year)

* Register for AppHub student to sideload 3 apps (Free, must be a student)

* Purchase Chevron Labs Token to sideload 10 apps (Tokens have sold out, old tokens valid until July 2012)

LG (1st Gen)

Full Unlock: No method yet

Root Unlock: Per app via Root Tools

Interop Unlock: Via OEM diagnosis tool/registry editor

Developer Unlock: Three (was four) methods:

* Via OEM diagnosis tool/registry editor to sideload unlimited apps (Free, works on all firmwares)

* Register for AppHub account to sideload 10 apps ($99 a year)

* Register for AppHub student to sideload 3 apps (Free, must be a student)

* Purchase Chevron Labs Token to sideload 10 apps (Tokens have sold out, old tokens valid until July 2012)

Nokia (2nd Gen)

Full Unlock: Phones with the Qualcomm bootloader (Q&A)

Root Unlock: No method yet

Interop Unlock: Phones with the Qualcomm bootloader (Q&A)

Developer Unlock: Two (was three) methods:

* Register for AppHub account to sideload 10 apps ($99 a year)

* Register for AppHub student to sideload 3 apps (Free, must be a student)

* Purchase Chevron Labs Token to sideload 10 apps (Tokens have sold out, old tokens valid until July 2012)

Samsung (1st Gen)

Full Unlock: Via custom ROM's

Root Unlock: Per app via Root Tools

Interop Unlock: Via WindowBreak/Heathcliff74/voluptuary unlocks (Must be prior to KK2 firmware)

Developer Unlock: Three (was four) methods:

* WindowBreak to sideload unlimited apps (Free, also Interop Unlocks. Firmware dependant)

* Register for AppHub account to sideload 10 apps ($99 a year)

* Register for AppHub student to sideload 3 apps (Free, must be a student)

* Purchase Chevron Labs Token to sideload 10 apps (Tokens have sold out, old tokens valid until July 2012)

Samsung (2nd Gen)

Full Unlock: No method yet

Root Unlock: Per app via Root Tools

Interop Unlock: Via WindowBreak/Heathcliff74/voluptuary unlocks pending firmware version

Developer Unlock: Three (was four) methods:

* WindowBreak to sideload unlimited apps (Free, also Interop Unlocks. Firmware dependant)

* Register for AppHub account to sideload 10 apps ($99 a year)

* Register for AppHub student to sideload 3 apps (Free, must be a student)

* Purchase Chevron Labs Token to sideload 10 apps (Tokens have sold out, old tokens valid until July 2012)

If any of this info is out of date please post upto date info in this thread and I will update it.

Thanks: Briefcase for original idea, all the great devs who work to find unlocks (Jaxbot, Heathcliff74, DFT Team, GoodDayToDie, and others)