[Motorola Droid X2] ericerk:
Some dude did something like this but with cricket its from rootzwiki i don't know if it help but i hope it does i never had the patience to read it good luck!

Full Flash Motorola Droid X2 to Cricket: Talk, Text, MMS, Internet

TECH DIGITAL'Z DROID X-2 Flash to cricket tutorial

INTERNET,APPS,TALK,MMS,AND TEXT, ON $45.00 PLAN!

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First you will need to collect a few programs and files.

1.Motohelper Drivers 5.0, these can be gotten from the motorola website

2.Droid Explorer 64 bit or X86 depending on your computer and OS (just google the name)

3.Gingerbreak

4.GreenK45 Free or Pro (Shout out to Mraabhimself for this one) its only 1.99 for pro in the market and you wont get nagged to buy!

5.CDMA Workshop

6.QPST 2.7 Build 366 (note: the older builds WILL NOT connect to the X2)

7.A cricket wireless PRL (those can be found in the PRL section of Mycricketforum.com)

8.HW Virtual Serial Port (Google it)

U CAN GET ALL OF THESE FILES BY DOWNLOADING MY PACK!
TECH DIGITAL'Z Droid X and Droid X2 Cricket Flash Pack.zip

9. NV items from http://www.whiterabbit.org/android (u must generate this uniquely with your mdn@mycricket.com your MDN is the number everyone uses to call you!

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First off if the phone hasnt been activated yet or you have to clear all settings and you get stuck at the activation screen... REMOVE THE BATTERY AND USB PUT THE BATTERY BACK IN AND TOUCH THE DROID AS SOON AS YOU SEE IT! this will get you past the activation screen.

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Put your phone in PC mode,and shutdown

DO NOT PRESS POWER, Plug in USB to turn it back on.

Install HW Virtual Serial Port on your Computer.

The password is admin, go to Settings and uncheck NVT Enabled as it will cause issues if you dont

-setup your Virtual Serial Port for Com 10

Ip address is 192.168.16.2

set Port as 11008

Click CREATE COM

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At this point youre ready to open CDMA Workshop ( note: if you have a cracked version you may need to disable your antivirus to get it to work)

Once open Connect to Com 10

it should say successfully connected at the bottom if not go redo the steps above.

If all is Right with the world (J/p) lol .... Please continue to next step

On security tab send SPC 000000 (you should get a message saying the spc is correct and phone is now unlocked)

Go to tab labeled "Other" and write prl (this is where the PRL you downloaded comes into play) Select it from the location in which you downloaded it.

Goto "Memory" tab and click write under NV items, find the downloaded NV items you got from
http://www.whiterabbit.org/android

for example you must generate the NV items by inputing your MDN

(Your number@mycricket.com). box opens telling you to save them as .txt and select them with cdma workshop2.7.

It should now say, 12 NV items were successfully written to phone.

Go to Main tab and click mode reset, The phone will restart,( at this point youre ready to talk and text on cricket)

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LETS GET ROOTED!!!!

Have Droid Explorer Installed on your computer

Have your phone connected USB and in PCmode

Open Droid Explorer and Connect to your phone

Click the little Icon that looks like a box with a cd in front of it,

It should open a Install Window

Click install and install Gingerbreak (I used Gingerbreak Version 1.20)

Now on your phone go into your apps menu and run gingerbreak

CLICK ROOT! the phone should then run gingerbreak and restart.

You should now be rooted!

NOW TO GET INTERNET AND APPS WORKING!!!
if you have QPST open it on the com port 10 read your settings. under MIP mip2,,PPP(Um,AN...etc it should say (your number@mycricket.com )etc in the right columns....in the bottom box password may need to be written to phone, just type in cricket for both Um and An, cricket is the password.
Also select mobile ip+simple ip under MiP tab
select write to phone.
Phone will now restart.
After the phone has started up Go to wireless setting in settings and connect to wifi, Open the Market and install GreenK45free or Buy Pro.
Disable your Wifi now so that 3g can come back on. once you see 3g at the top open greenK45 and click Enable. (MAKE SURE YOU ALLOW GREENK45 ROOT ACCESS)
also when it restarts allow U2nl Proxy access to root) Just incase you dont know the Superuser will pop up asking you to allow or deny, click Allow!
You should now have Internet and Apps should have Connection.
As for MMS i havent found a way to get this working correctly yet on the Droid X2 but i will write a update to this tutorial when i do, AS OF NOW, INTERNET,APPS,TALK,AND TEXT WORK. MMS or PICTURE MESSAGING ARE BROKEN!
THANKS TO MRAABHIMSELFfor GreenK45
and anyone i may have missed for their contributions to this tutorial ....

MMS IS NOW FIXED, HERES WHAT YOU DO!

.Go to Market and download Apn Backup and Restore
.Open and Delete all APNS
.RESTART PHONE, I CANT STRESS HOW IMPORTANT THIS IS!
.Go to market and Download and install Anycut, Open it and choose Activity,Scroll down and select APNs create the shortcut then exit
.click the apns shortcut you just made, it should be on your main screen
.hit menu button and select New APN
.Enter these settings into your apn
Name - Cricket
APN internet
Proxy wap.mycricket.com:8080
Port 8080
Username yourphonenumber@mycricket.com
Password cricket
Server wap.mycricket.com
MMSC http://mms.mycricket.com/servlets/mms
MMS Proxy wap.mycricket.com
MMS Port 8080
MCC 310
MNC 004
Authentication Type PAP or CHAP
APN type <Not set>

.Hit the Menu button again and hit save!

.Restart and youre done, YOURE FULLY FLASHED WITH EVERYTHING!