Samsung :: Intensity U450 - Stuck In A Reboot Cycle

Have tried holding various keys in an attempt to access a BIOS screen or some such thing to no avail (why aren't cell phones more like computers?). As for how my phone got to this state...

-I wanted to add custom ring tones to my recently purchased Samsung Intensity but found that texting them to myself via vzwpix.com led to a significant decrease in quality and the costs would quickly add up as I attempted to fix the issue by editing the sound files in Audacity and texting newer versions to my phone

-To get around using vzwpix.com, I found a method of putting the files directly on the phone by installing the phones drivers to my computer using Samsung PC Studio 3 and moving them directly to the phone using Qualcomm Product Support Tools. The method is copy+pasted below for reference

-After a while I got the ring tone to how I wanted it and went to delete the experimentation files on the phone. I had done this in the past through the phone's interface without issue (though an attempted file rename had caused a quick freeze which was solved by removing and replacing the battery), but this time it froze when attempting to delete the final file

-The phone would not respond to any keypad presses including the power button, so I chose to restart the phone by removing and putting back in the battery

-The phone will no longer pass the "Verizon Wireless" screen and reboots after hanging on that screen for ~7 seconds

Pasted below is the complete method I used to transfer the files for reference. Other smarter methods may exist, but given the issue I had with vzwpix.com, my lack of a mircoSD card, and my desire to avoid media messaging charges I elected to go with this method. Credit goes to ch from the Mobiledia forums for figuring this out and typing this up. It works beautifully aside from the issue I have had. I suggest that anyone who chooses to use it remove sound files from the phone only through QPST and not through the phone's interface.

Software required:
1.Samsung PC Studio
2. QPST (Or other software to allow you to browse the phone's file system)

1. Install Samsung PC Studio (Will only be used to install drivers for the intensity)
2. Change USB Port Map to "Modem" on your phone
a. Go to Settings & Tools > Phone Info > and then press the # button.
b. Enter 000000 for the lock code.
c. Select option 2 "Port Map"
d. Select option 4 "USB"
e. Select option 4 "Modem"
3. Plug phone into usb port.
4. Go to device manager and install drivers for the unidentified devices
a. The drivers will be located in C:Program Files SamsungSamsung PC Studio 3
5. Start QPST EFS Explorer
6. Browse to brewmodmr on the phone
7. Delete MrInfo.db
8. Drag and drop your mp3 ringtone files into this directory
9. Restart the phone.
10. A new MrInfo.db file will be created. Copy it to your desktop.
11. Edit the file with notepad. You should see an entry for each sound file in the directory, followed by |0|0 or something like that. For the first file change the second 0 to a 2. For the next file change that same zero to a 3, and so on. I guess the second zero just needs to be a 2, 3, or 4.
12. Copy MrInfo.db back to the phone in same directory.
13. Reboot the phone and your mp3 will show up under the "My Ringtones" menu.