How to solve 3G data problems
3G in General and APN
A working 3G data connection shows up in the top status row of the Pre. That row shows either 3G or G (also called 2G) on the left of the signal strength icon on GSM models, provided that the WiFi is off or WiFi is not connected. Once WiFI is connected its icon will overwrite the 3G icon. That way you always know what connection is active for data connections. Many have reported 3G data connection problems, especially when using the Pre on 'non-supported networks' (to be defined). An APN is an Access Point Name, that is required to connect to that named network. One of the contributing factors to 3G problems is that APN and information about that network such as a passwords are sometimes not correct in the Pre's database of networks/operators. This Wiki is intended to solve 3G (and APN) problems.
Type of 3G or APN Problems
- Connection to networks in countries where the Pre is not sold through Palm's channels: some work out of the box, some experience problems as follow.
- Network operator not present in the Pre Carrier database: reported in the forum that this can be solved
- Network operator present, but entries in Database are wrong: reported in the forum that this can be solved
- Manual settings on Phone preferences cannot be saved: not sure, probably network operator not present in database
- Data connection not established while DB entries seem OK: can be solved in many cases
- Voicemail number wrong or not present: can be solved
How to Determine which Problem Case(s) is (are) Applicable
This is tricky and needs some work.....
Forum threads that discuss or solve the 3G problem
Since this How to is just starting, the following threads contains many working suggestions
- Best how-to so far: Modifying WebOS carrier network settings[1]
- APN Problems with 1.3.1/1.3.5 [2]
- Carrier/APN settings for 1.13 German and 1.21 US[3]
- Adjusting Carrier Settings / SSH into device guide/help for dummies...does it exist?[4]
- MMS not working MMS not working [5]
- Data still not working in 1.3.1 UK (Multi-page thread 1 2 3 ... Last Page)[6]
- Confirmed manual Carrier/APN settings in webOS 1.3[7]
- Any GSM pre that has a working voicemail shortcut (key 1)[8]
Case Incorrect data base settings: How to Modify WebOS carrier network settings
(thanks palmdoc2005 for his excellent writeup) Please WiKi-expert,format the lsist and sublists below
Assuming one has an unlocked GSM Pre which is activated, has network access via Wifi but may have 3G data connection problems due to incorrect carrier connection settings. Modifying the file CarrierNetworkSettings.db3 found in /usr/lib/luna/ may fix the problem You of course also need to first check what the correct data network settings (APN/login/username etc) for your carrier are (call them up if you are unsure). Need some refenrence here of carrier settings ......
Step 1) Copying the carrier network database file to your PC Several methods
a) Obtain the database from the webosdoctor image Download the image appropriate for your device Use 7zip to unpack the file The file is found in : webosdoctorp100eww-wr\resources\webOS\nova-cust-image-castle.rootfs.tar\nova-cust-image-castle.rootfs\usr\lib\luna\CarrierNetworkSettings.db3
b)Obtain the database from the device itself: you can 1) SSH to to your Pre using Putty, type cp /usr/lib/luna/CarrierNetworkSettings.db3 /media/internal. This will copy the database file to the internal storage. Put your Pre into USB disk mode and copy the database file to your machine.
or
2) use Internalz navigate to /usr/lib/luna/ and copy CarrierNetworkSettings.db3 to /media/internal Put your Pre into USB disk mode and copy the database file to your machine.
or
3) Use WebOS Quick Install tool Put your Pre in Developer Mode Attach to PC and select Just Charge Launch WOQI Select Receive File from the menu enter /usr/lib/luna/CarrierNetworkSettings.db3 select destination folder in your PC
Step 2) Editing the database on your PC
I suppose it is prudent to back up the file before making modifications
a) Obtain a free SQLite database editor - SQLite Database Browser or -Firefox SQLite manager extension
b) Open the carrier network db3 file in SQLite database browser Click on the Browse Data tab
- From the drop down menu, select the ..._CarrierNetworkSettings table - Locate your carrier by browsing or searching the table - Note the 13 digit number such as 2199023255831 ID value of the carrier at the end of the record on the right hand side - Change the voicemail number if desired: Locate your carrier by browsing or searching the table - check and enter the field voicemailNumber
- From the drop down menu, select the ..._DataConnectionSettings table - Locate that same ID in the dataconnections table Now you can edit the APN , username and password if these have been changed by your carrier but not updated in the Palm database
Save the file
Step 3) Copying the database back to the device
Use Jason Robitaille's WebOS Quick Install tool Click on Tools - Send File and point it to the amended database file. As the destination folder use /usr/lib/luna/ and click Send To Device! Repeat this, only this time use /var/luna/data/ as the destination folder.
Reset your Pre. That should be it. I hope.
Case all settings OK, yet no connection
(Thanks to xioq)
My steps: 1) Fix CarrierNetworkSettings.db3, see Case Incorrect data base settings 2) Modify /etc/ppp/options-gsm
I edited the options like this (added just before the end of file)
#noccp
#novj
#show-password
#nobsdcomp
#noipdefault
#nodeflate
user "vodafone"
password "vodafone"
At first I thought it might be a compression problem, then I also attempted adding the manual user/pass.
So, the lines that I marked in my code-block with # in front of them are NOT required. Just removed them from mine, just had the user/password in there and it still worked.
While I'm not sure why this problem has occurred since the 1.3.1 update - I'm glad to see it resolved. I will waste more of time to test Sprint 1.3.5 on my GSM with the same settings, but I'll need to make a new Doctor to reflash 1.3.5 on mine so it'll take a while..