- Mar 7, 2011
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Source: [HOWTO] Change PRL on Virgin Mobile LG Optimus V (3/24/2011) - xda-developers
Thanks freddysam for the great write up.
WARNING! I AM NOT LIABLE IF YOU EFF UP YOUR PHONE, YOU ARE ACCEPTING THE RISK BY CONTINUING!
I saw this information posted elsewhere in pieces and thought I'd bring it together. I didn't make this procedure, but I can confirm that it works. This is absolutely for the LG Optimus V and no other phone. Do not do this unless you understand what a PRL is and why you are doing it. More than likely, this will result in either Virgin kicking you off your plan, or you destroying your phone. You have been warned.
Requirements:
Windows PC
LG Optimus V USB Serial Drivers (updated 3/22/2011)
Read the first few pages of this thread if you have driver issues. You can also try this. Thank you rjones1981.
Download:
CDMA Workshop 3.6.0 Demo
QPST v2.7
Latest Sprint PRL 60677 (attached below)
Latest Virgin Mobile PRL 61007 (attached below)
Hybrid Sprint - VM PRL 61677 (attached below) (read Update 2 & 3 for details)
You don't need to have a rooted phone to do this.
Instructions:
To confirm that this worked, go into settings > about phone > status. You should have the new PRL and all that it entails. To reverse the process, follow the same steps but use the Virgin 61007 PRL or use your .qcn backup by selecting "Load from File" in the QPST SERVICE PROGRAMMING.
If you try different PRL's and get better service, please post your results here.
Update 1: Even though you can enable roaming using the QPST System tab under Roam Preferences, and you can actually connect to the Verizon towers, your calls will prompt you for a credit card, and your data will not work while roaming. I recommend leaving roaming on "Home Only." Even though you can't roam, an updated PRL will give you better coverage on Sprint's network. There are already reports that this fixes the 3G connectivity issue.
Update 2: I have created a hybrid PRL numbered 61676. I manually picked that number, and it may conflict with the PRL # of one released in the distant future, just fyi. I created the PRL by taking 60676 and removing a few roaming entries to make room. I then compared the entries in 61007 to it, and added all the non-roaming entries that 60676 lacked. It will almost be impossible to figure out if these additional entries help at all, but they can't hurt. I'm attaching 61676 below if you guys want to test it out. I promise nothing, but so far my phone has not complained about using it. Let me know how it works out if you do try it.
Update 3: Added new 60677 and a new hybrid 61677
Update 4: Proof that it is worthwhile to do!
Update 5: Added 01115 PRL. It is the latest from Sprint. Don't know why it is numbered like it is. I'm not going to make another hybrid prl for it because it is too time consuming, and I see no benefits from it.
Roaming does not work on Virgin Mobile! While roaming, you will not receive your phone calls or texts, and you can't make calls or send texts! Your data will also not work when roaming.
Download PRL 60676
Download PRL 61007
Download PRL 60677
Download PRL 61677
Download PRL 01115
Edit: This post has been edited several times, to reflect info found in this thread.
Thanks freddysam for the great write up.
WARNING! I AM NOT LIABLE IF YOU EFF UP YOUR PHONE, YOU ARE ACCEPTING THE RISK BY CONTINUING!
I saw this information posted elsewhere in pieces and thought I'd bring it together. I didn't make this procedure, but I can confirm that it works. This is absolutely for the LG Optimus V and no other phone. Do not do this unless you understand what a PRL is and why you are doing it. More than likely, this will result in either Virgin kicking you off your plan, or you destroying your phone. You have been warned.
Requirements:
Windows PC
LG Optimus V USB Serial Drivers (updated 3/22/2011)
Read the first few pages of this thread if you have driver issues. You can also try this. Thank you rjones1981.
Download:
CDMA Workshop 3.6.0 Demo
QPST v2.7
Latest Sprint PRL 60677 (attached below)
Latest Virgin Mobile PRL 61007 (attached below)
Hybrid Sprint - VM PRL 61677 (attached below) (read Update 2 & 3 for details)
You don't need to have a rooted phone to do this.
Instructions:
- Turn on USB Debugging, and connect your phone to your PC.
- Open Device Manager.
- Ports > LGE Android Platform USB Serial Port > Properties > Port Settings > Advanced > COM port number
- Change the value to a port number below 10. (demo restriction of CDMA Workshop)
- Open CDMA Workshop
- Select the proper port from step 4. Hit "Connect."
- Under the "Security" tab, find "SPC/User Lock."
- Change the drop down menu to "LG method," and click "Read."
- Write down the number that appears in the box. This is your MSL code. Now close CDMA Workshop, we won't need it anymore.
- Install QPST.
- Open "QPST Configuration".
- In the "Ports" tab, if your com port isn't listed, select "Add New Port" and write in your com port as "COM#" (# being the number you selected in step 4). Verify that your com port is listed.
- Make sure your phone appears in the the "Active Phones" tab.
- Click "Start Clients." Choose "SERVICE PROGRAMMING." Select your phone.
- Click "Read from Phone."
- Enter your MSL code from step 9 when promoted. (It will not finish reading from your phone. It will stop near the end and report an error. This is normal.)
- Hit "Save to File" to backup your phone's settings and PRL to a .qcn file. (Optional but recommended)
- Select the "Roaming" tab.
- Under "Preferred Roaming Enable" choose "Browse..." and select the 60677.prl or 61677.prl file.
- Under the "System" tab change "Roam Preference" to "Home only". (Optional but recommended)
- Click "Write to Phone," and your phone should immediately reboot. Do not disconnect your phone until it has booted back up.
To confirm that this worked, go into settings > about phone > status. You should have the new PRL and all that it entails. To reverse the process, follow the same steps but use the Virgin 61007 PRL or use your .qcn backup by selecting "Load from File" in the QPST SERVICE PROGRAMMING.
If you try different PRL's and get better service, please post your results here.
Update 1: Even though you can enable roaming using the QPST System tab under Roam Preferences, and you can actually connect to the Verizon towers, your calls will prompt you for a credit card, and your data will not work while roaming. I recommend leaving roaming on "Home Only." Even though you can't roam, an updated PRL will give you better coverage on Sprint's network. There are already reports that this fixes the 3G connectivity issue.
Update 2: I have created a hybrid PRL numbered 61676. I manually picked that number, and it may conflict with the PRL # of one released in the distant future, just fyi. I created the PRL by taking 60676 and removing a few roaming entries to make room. I then compared the entries in 61007 to it, and added all the non-roaming entries that 60676 lacked. It will almost be impossible to figure out if these additional entries help at all, but they can't hurt. I'm attaching 61676 below if you guys want to test it out. I promise nothing, but so far my phone has not complained about using it. Let me know how it works out if you do try it.
Update 3: Added new 60677 and a new hybrid 61677
Update 4: Proof that it is worthwhile to do!
Update 5: Added 01115 PRL. It is the latest from Sprint. Don't know why it is numbered like it is. I'm not going to make another hybrid prl for it because it is too time consuming, and I see no benefits from it.
Roaming does not work on Virgin Mobile! While roaming, you will not receive your phone calls or texts, and you can't make calls or send texts! Your data will also not work when roaming.
Download PRL 60676
Download PRL 61007
Download PRL 60677
Download PRL 61677
Download PRL 01115
Edit: This post has been edited several times, to reflect info found in this thread.
Last edited: