[Galaxy S6 General] flexfulton:
So I flashed the OJ7 firmware last night via odin and the results immediately after rebooting were not promising.

My phone finished booting up after ODIN did it's thing and about 10 seconds later by random chance I got a call. I answered the call and talked for a minute or two before being disconnected and my phone said out of service area or something under the call bar. So I turned off WIFI and checked the cell connection. It showed some bars but no letter icon in the task bar. Then it switched to the no signal at all symbol. Then Edge, then G, then Edge again and then it shot up to 4G and eventually LTE. By the time I got into SIM Status to see anything really happening it pretty much matched what the notification bar said. I called my friend back and talked to him for another 10 or 12 minutes with no disconnects. My wife had sent me a message while I was on that phone call and I saw it come in. After I ended my phone call about 10 or 15 seconds afterwards the same text message she had sent while I was on the call came through again. I asked if she sent it twice and she said no.

So I'm not sure what happened. Maybe it had to do with the phone having just booted up after installing the new firmware and it needed time to reprovision itself on the network. Perhaps the issue isn't really fixed. I've only seen a small number of people claiming to have flashed it and saying things like it "seems" to be good or "appears to be fixed. Nothing concete yet but at the same time no one else is claiming they are having problems still either.

As far as I have seen so far I'm still getting duplicate texts and have had 1 out of 2 calls disconnect while at my house in the middle of the city with usually great cell reception. As for what I had on OI6, I had what everyone else had through I don't make or recieve a lot of calls so it wasn't really an issue that I saw but I did have some calls that couldn't be placed while my phone said 4G and some straight to voicemail calls while on WIFI at home plus a lot of dupliate text messages.

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EDIT: My wife sent me another message this morning and it came in THREE times. Twice back to back and the once again once my phone switched to 4G from the Edge network. Once again I asked if she sent it more than one and she said no. She is using an iphone 6plus on the same network as me in case anyone is thinking it may be on her end (which I doubt).

In the end this phone SU^&S. Cell reception is so terrible. I used to use my HTC One M8 wherever I wanted for whatever I wanted including at work. I got my S6 and I barely hang onto EDGE at the same workplace making it useless for MMS and any sort of data requiring apps. I can also confirm that I pulled my M8 out again and used it for a week while this POS was in the shop for the known griding camera issue and the HTC never lost 4G while at work working perfectly wherever I was. Then the S6 came back from repair and once again it's still struggling to maintain a decent network connection rendering is useless most of the time while here. Absolute garbage. Got this phone for the camera and have been seriously disappointed with everything including the camera which failed and needed to be replaced. I've had Galaxy S, S2 and S3 which were all pretty decent phone. Went to the M8 but the camera was lacking so I made the move back to Samsung for an upgrade but it's been a downgrade in almost every other sense of the word. Likely won't be buying another Samsung again after this.

Sorry for the rant, just fed up.....like everyone else it seems.

EDIT 2: HOLY SHI&! I got that message again making it 4 times to get that message AND I got her message saying no she hadn't sent it twice AGAIN! FFS. So 2 messages a total of 6 times. This is absolute junk. Worse than it was before I updated to the "fixed" firmware.

At the end of all this I should note that this is a Rogers phone running the Telus release. I know everyone says it's all the same etc etc but take it all with a grain of salt. In the end I'm technically not running firmware released and tested by my carrier so you never know what you might get. Will be flashing the Rogers release once it comes out even if it has the same build date.