I picked up a Verizon S4 off CL yesterday after calling Verizon to verify that it had a clean ESN. I buy/sell/trade a lot of phones so this was a common thing for me. Upon inserting my sim card, I received full 4G and about 4 bars of service. Soon after leaving, I dropped to 3G, then no service. I went through everything I know to do:
Reboot / toggle airplane mode
Remove battery and sim
Factory reset
Odin stock image
Changed network settings in "Testing" via ServiceMode Shortcut app
Replaced sim card (twice)
I even opened the phone to see if the antenna appeared broken or disconnected
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I've confirmed the device isn't water damaged by the strips on the phone (and inside) and on the battery.
Verizon has confirmed multiple times that the ESN is clean so I honestly can't think of what is wrong. Every time I've replaced the sim card, it could never activate in this S4. Popping it in my other S4 allowed it to activate and function properly. The phone has no physical damage so I don't believe it's sustained any physical damage. GPS works like a charm.
I can only seem to get sporadic signal when driving. Once I had it long enough to dial #832 and confirm it was working. I then lost it immediately.
Of course the seller will no longer answer my calls/texts and Verizon says it's not warranted. Besides sending it to Samsung for repair, what do you guys recommend?
Sent from my SCH-I545 using Xparent Green Tapatalk 2
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I just rooted and unlocked both my phone and my girlfriends. I did exactly the same procedure for both. Then I flashed viperROM 1.2.1 and runandhide's button remaps. It's also worth knowing that the phones are sitting side by side. Both have the latest PRLs and did a profile update on mine as well, also tried to completely deactivate and reactivate.
Now that the background info is out of the way, here is my issue:
Randomly (I tried to find a pattern, none emerged) my phone will go into roaming and the network operator will switch to "31000". Except it isn't roaming, the phone does not work at all, I can't place a call or use data (I do have data/voice enabled under roaming guards). The strange thing about this is that my girlfriends phone which is literally right next to mine has full bars. The issue lasts for about 1-10 seconds and then it's back on the Sprint network.
Here is a screenshot of when it happens:
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What could be the cause? Faulty phone? I'm flashing back to stock to monitor if it happens there, I will update. Does anyone have any insight? Should I replace my phone?
Try disabling LTE and Roaming
I was having the same problem. I tried updating PRL, etc without effect. Finally went into "Settings" > "Mobile network settings". I disabled LTE ("Network Mode" > "CDMA only") and Roaming ("Roaming" > "Sprint only"). I haven't had any problems since. I'm wondering if it was a fluke and the problem will return. Hopefully someone else can verify/reproduce this solution, since this appears to be a huge issue.
Thanks for posting
I have experienced similar problems...I will try to adjust roaming settings.
I have noticed my phone will go into roam for no reason.
My phone is not unlocked and not rooted.
Ordered a new USB port from china. Just came in today and so I sat down to change it out. Noticed on the new one that its for a N7000 but my order says for a i717, decided to try it any way as I need to phone for work and it not charging properly is a big issue.
When I got my phone apart I inspected both parts to see if I could see any major differences, only one I noticed was on the i717 board it has 3 contact points on the bottom right, compared to the new one that only has 2. Figure I'd see if it works anyway. So j got the phone back together and everything seems normal but I can't pick up lte. My signal strength hasn't changed but I just can't get LTE. I changed my APN but its still a no go. Is the Cell antenna part of the uSB board? Couldn't really find any diagrams in google. Thanks
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You can see the 3 contacts on the picture, that's the original part, the new one only has 2, the one on the right is the one I'm missing
I just changed mine about a week ago with no signal issues ...... Google both our device and the n7000 charging ports and see if you see a diff
Sent from my SGH-I717 using xda app-developers app
Looks like the third contact either is part of the mic or the lte antenna, realized after a call that the mic wasn't working, so I reinstalled the old one and lte instantly came back and my mic was working, orded another so hopefully they sent the proper part this time
The antennas are up by the power button. But its generally bad to have an incomplete circuit somewhere (3rd contact).
First off, thanks in advanced for reading this and any helpful comments are appreciated. I got my Xperia Z2 back in July. It was the International Version. I came from the Samsung Galaxy S4. I got the the S4 through ATT and the Z2 is my first unlocked phone. Anyway, I took the SIM card from the S4 and I put it in the Xperia Z2. At the time I had no idea about APN's and such so I expected the mobile data to work right off the bat. When I realized it didn't work, I went to the ATT store and they put in the APN settings and the Mobile Data works but I've noticed, it's very slow. On both H+ full bars and LTE full bars I have less than 1mbps download and the upload is even worse. I don't know what to really do. I tried putting in the APN settings myself and I learned about the Internet Settings in the more setting of connections and had the phone get the settings automatically. But still, no matter where I am, my data speeds are slow. I recently put the SIM card back in the S4 and the speeds are fine on there. I already considered if it was my plan but my brother is on the same plan as I am (He has a Nexus 5) and his speeds were significantly faster than me when we were out. I apologize in advanced if I sound like an idiot or an amateur but this is new to me. So again thank you for reading my long story! And here's a link of the screenshot I took of my speeds at full LTE Speeds:
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http://imgur.com/G0TGERw
Just got my Tmobile variant unlocked and using on AT&T. Only getting 4G. I've seen users having the same issue. Has anyone got LTE working? I've tried numerous APN's from AT&T as well as other suggestions and still nothing. Thanks in advance for any help.
Yes I have lte working on cricket(att). I have attached some screen shots.
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I have a T-Mobile phone as well, and I had a more complicated problem getting mine to work. First thing's first - make sure you have your phone properly activated at an AT&T retail store, which is to say you can't have hotswapped the SIM; it needs to be tied to your IMEI. If it still doesn't work, make sure you're using the nxtgenphone APN. If you still have no luck, maybe you have the same problem as me. On AT&T's end, for some bizarre reason, my IMEI got registered as one that could not support LTE, so my line didn't get provisioned for it. I kept calling back, but no one could figure out how to change my provisioning. Finally I got a rep who tried something out of the box. He generated a "dummy" IMEI number for me, one that would be seen on the system as one that supports LTE, and registered that to my line. Lo and behold, that did the trick. I called Technical Support for this (you can ask to be transfered to that department if you call AT&T), so you might have to go through that - the good news is, it was rather quick, and I didn't have to get a new SIM card for it.
Hi
I bought this phone used for my toddler to play with it was activated and working just fine. My fault I reset it to the factory settings and now it won’t activate again!
I got to this screen without sim card but when I called the customer service they wanted to charge me for activation! I can’t afford it because I only want it for my kids to play with.
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When I put my tmobile SIM card it takes 12 hrs on please wait screen and never activate!
I don’t have a greatcall SIM card to try unfortunately.
Here are more pictures of the phone
I appreciate your help with activating the phone. Thank you.
noorhan said:
Hi
I bought this phone used for my toddler to play with it was activated and working just fine. My fault I reset it to the factory settings and now it won’t activate again!
I got to this screen without sim card but when I called the customer service they wanted to charge me for activation! I can’t afford it because I only want it for my kids to play with.
When I put my tmobile SIM card it takes 12 hrs on please wait screen and never activate!
I don’t have a greatcall SIM card to try unfortunately.
Here are more pictures of the phone
I appreciate your help with activating the phone. Thank you.
Click to expand...
Click to collapse
FYI I activated using my friend verizon SIM card