| 00:19.16 | *** join/#webos-internals ChairmanTubeAmp (~ChairmanT@ool-18bbc1f6.static.optonline.net) |
| 00:19.54 | ChairmanTubeAmp | Hi all |
| 00:20.34 | ChairmanTubeAmp | Anyone have a minute to help me with a Sprint Frankenpre2 that's been working for over a year, but has recently developed a problem where it drops 3G service? |
| 00:22.35 | ChairmanTubeAmp | At first I suspected that it was a dying radio. So I bought a refurb off of eBay, switched my IMEI to the refurb radio, activated the service with the refurb running 1.4.5, then meta-doctored it with a git clone from a few days ago. |
| 00:23.09 | ChairmanTubeAmp | The FrankenPre2 exhibited the same problem, searching for signal and dropping 3G service. |
| 00:23.39 | ChairmanTubeAmp | I put the comm board back in the refurb, meta-doctored to 1.4.5 and it was fine for most of a day. |
| 00:24.22 | ChairmanTubeAmp | Then I meta-doctored the refurb (which is a Spring Pre- by the way) to 2.1.0 and that was fine for most of another day. |
| 00:25.11 | ChairmanTubeAmp | Then I took the comm board out of the refurb Pre- and put it back in the FrankenPre2 without meta-doctoring. It is better than before but still drops 3G service once or twice an hour. |
| 00:25.47 | ChairmanTubeAmp | Did I wind up with a bad radio from the eBay refurb, does my FrankenPre2 have a unshakable gremlin? Or what? |
| 00:28.33 | ChairmanTubeAmp | Although the "bad radio from the refurb" theory doesn't hold up based on my experience with it running 1.4.5 and 2.10 for most of two days. |
| 00:28.51 | ChairmanTubeAmp | Which leaves the "gremlin in the FrankenPre2" theory. |
| 00:29.33 | ChairmanTubeAmp | Another theory is that there is a problem with Sprint's data service in my area. However, my wife's FrankenPre2, also on Sprint, is not having these problems, which discounts that theory. |
| 00:29.48 | *** join/#webos-internals hckyplayer024_ (~hckyplaye@76.91.28.47) |
| 00:30.29 | ChairmanTubeAmp | The only difference between her FrankenPre2 and my FrankenPre2 is that hers started out as GSM and mine started out as Verizon CDMA. Though both radios have been swapped out for Sprint CDMA at this point, so they should be equivalent from a hardware perspective. |
| 00:30.39 | ChairmanTubeAmp | So I'm out of theories here... |
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| 01:03.39 | ChairmanTubeAmp | No takers on that one, eh? |
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| 02:25.44 | ChairmanTubeAmp | Man, this is a dead chat room. |
| 02:44.34 | ka6sox-away | mornig |
| 02:44.37 | ka6sox-away | morning |
| 02:50.09 | ka6sox-away | lessee... |
| 02:51.18 | joshgillies | ChairmanTubeAmp +1 to comment about dead room :P |
| 02:51.28 | joshgillies | the holdiday season may not be helping any |
| 02:52.19 | ChairmanTubeAmp | Yeah, people might be having actual fun with other people. |
| 02:52.21 | ka6sox-away | is invisible I guess. |
| 02:52.39 | ChairmanTubeAmp | Good morning ka6sox! |
| 02:52.55 | ChairmanTubeAmp | Didn't mean to ignore you, I was AFK. |
| 02:53.26 | joshgillies | Morning ka6sox-away |
| 02:53.34 | ChairmanTubeAmp | Anyone mind if I repeat my question? |
| 02:53.47 | ka6sox-away | morning...this seems like a network issue...not a phone issue |
| 02:53.49 | joshgillies | Only if you don't mind me repeating mine from the other day |
| 02:53.51 | ka6sox-away | move it somewhere else. |
| 02:54.31 | ChairmanTubeAmp | This behavior exhibits itself in multiple neighborhoods in my city. |
| 02:54.40 | ka6sox-away | hmmm.... |
| 02:54.51 | ChairmanTubeAmp | And my wife's phone is physically proximate to my phone and doesn't exhibit these issues. |
| 02:55.24 | ChairmanTubeAmp | So it would have to be a problem with my registration that only manifests itself on the FrankenPre2. |
| 02:55.41 | ka6sox-away | the CDMA vs GSM is not an issue |
| 02:56.07 | ka6sox-away | oh wait... |
| 02:56.17 | ka6sox-away | you did transfer the antenna right? |
| 02:56.21 | ka6sox-away | you have to use the sprint antenn, |
| 02:56.35 | ChairmanTubeAmp | Yes, the whole comm assembly (the entire black plastic board) |
| 02:57.02 | ChairmanTubeAmp | Also, it was working for over a year before this issue cropped up - no OS upgrades, hardware changes, etc. |
| 02:57.18 | ka6sox-away | interesting... |
| 02:57.30 | ChairmanTubeAmp | Which is why I thought that it was a dying amplifier. |
| 02:57.52 | ChairmanTubeAmp | Or some component of the transceiver. |
| 02:57.53 | ka6sox-away | did you make sure you got the GPS and RADIO antennas right? |
| 02:58.06 | ChairmanTubeAmp | In what respect? |
| 02:58.42 | ChairmanTubeAmp | I never messed with the antennas because I transferred the whole comm board assembly when I did the transplant. |
| 02:58.44 | ka6sox-away | if you swap them it will act like this. |
| 02:58.55 | ka6sox-away | the connectors |
| 02:59.24 | ka6sox-away | there is a GPS connector and a Radio Connector |
| 03:01.07 | ChairmanTubeAmp | Is it possible to swap these if you're moving the whole comm board assembly? |
| 03:01.21 | ChairmanTubeAmp | I followed this guide: http://www.webos-internals.org/wiki/Sprint_Pre_2 |
| 03:02.50 | ChairmanTubeAmp | Are these the connectors you're talking about? http://www.webos-internals.org/wiki/File:Slide11.PNG |
| 03:02.56 | ChairmanTubeAmp | If so, there's no way I swapped those. |
| 03:04.57 | ka6sox-away | no, the Coax Connectors |
| 03:06.06 | ChairmanTubeAmp | Ok, since I transferred the whole comm board assembly, I think its very unlikely that I swapped the GPS and Radio antennas. |
| 03:07.21 | ChairmanTubeAmp | But maybe there is some corrosion on the contact where the Radio lead connects to the comm board assay. Let me check that. |
| 03:08.32 | ChairmanTubeAmp | This has been in my pocket for over a year and the Pre- that had this comm board for over 2 years and so it may have been exposed to some leg sweat (ugh). |
| 03:09.56 | ChairmanTubeAmp | The corrosion theory would explain why it got slightly better with a new comm board assy. Only one of the two contacts would be corroded at that point. |
| 03:10.45 | ChairmanTubeAmp | AFK to disassemble and inspect the handset. |
| 03:13.23 | ChairmanTubeAmp | Anyone know which antenna is the Radio? If I have the battery cover off and I'm looking at the back of the phone, is it upper left-hand corner, upper right-hand corner, or along the bottom? |
| 03:29.14 | ka6sox-away | I haven't got mine anymore (son has it) |
| 03:34.31 | ChairmanTubeAmp | Ok, well I found some corrosion on each of the 4 screw/comm board assy interfaces. So I cleaned it off with some rubbing alcohol and we'll see if there is an improvement. I was also a little more aggressive with the screw fastening force. Hopefully I'll see improved conductivity to the antennas. |
| 03:35.41 | ChairmanTubeAmp | On one of the screws it looked like some loc-tite had migrated to the top of the contact surface, which would have introduced some interference. |
| 03:39.06 | ChairmanTubeAmp | Shoot. That didn't help. The first time I opened a new page in the browser it dropped the 3G connection. |
| 03:39.24 | ka6sox-away | what are you using to clean it? |
| 03:39.49 | ChairmanTubeAmp | Ethyl rubbing alcohol |
| 03:40.12 | ChairmanTubeAmp | sparingly applied to a q-tip |
| 03:42.02 | ChairmanTubeAmp | It definitely got things shiny. |
| 03:45.33 | ChairmanTubeAmp | Ok, its bed time on the East Coast. I'm going to sleep on this. |
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| 03:45.53 | ChairmanTubeAmp | Thanks for your help ka6sox-away! |
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