No sim/network cappy update & use?

Sumegitsune

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Aug 3, 2014
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Problems: No sim card (I have a different network), unable to download or update anything, even over wifi. (Wifi does work for internet browsing.) Runs slowly.

First time Captivate owner and first time delving into tampering with electronics. Most of my "programming" experience is just learner's stuff: html in HS with a little JavaScript, then some intro to C++ a while back in my freshman year of college, so I'm not completely useless when it comes to files, codes and such.

My phone was stolen a few months back and a relative gave me a Captivate to use when they upgraded since the main function I was missing was the ability to take and send pictures instantly (for work and family). The phone has no SIM. I thought about trying to unlock it and using it as my primary phone but after a few days research it seems it wouldn't do me any good since it is an AT&T phone and I have Sprint, so not compatible networks (as far as I can tell).

Still, there are certain apps that I use on my tablet that would be easier to use on a smaller, more portable device. They are current Google Play apps. but the phone is on android 2.1 and still has the old market. I'm sure I'll need to update to a more current android version (which I'm not sure how to do). Without the SIM, it won't let me update through the phone itself. I thought I'd found a helpful response in another thread on how to update via USB, but it went to a mediafire file that was no longer available. It seems as though the lack of a SIM card is preventing any downloads, even over wifi. I can browse the internet, check email, log into facebook, etc... but at the same time even some of the current apps already on the phone won't work. I've tried looking to see if a sim is required for downloads to work, but so far I haven't found anything particularly useful.

Where/how do I update to the current version of Android? Do I need to update the ROMs & Kernels as well? What other files would need updated to "bring it up to speed"? What order? (I've read that is important.) I'm generally quick at picking up on things like this and looking forward to learning from you all.
 

BWolf56

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Mar 25, 2011
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Problems: No sim card (I have a different network), unable to download or update anything, even over wifi. (Wifi does work for internet browsing.) Runs slowly.

First time Captivate owner and first time delving into tampering with electronics. Most of my "programming" experience is just learner's stuff: html in HS with a little JavaScript, then some intro to C++ a while back in my freshman year of college, so I'm not completely useless when it comes to files, codes and such.

My phone was stolen a few months back and a relative gave me a Captivate to use when they upgraded since the main function I was missing was the ability to take and send pictures instantly (for work and family). The phone has no SIM. I thought about trying to unlock it and using it as my primary phone but after a few days research it seems it wouldn't do me any good since it is an AT&T phone and I have Sprint, so not compatible networks (as far as I can tell).

Still, there are certain apps that I use on my tablet that would be easier to use on a smaller, more portable device. They are current Google Play apps. but the phone is on android 2.1 and still has the old market. I'm sure I'll need to update to a more current android version (which I'm not sure how to do). Without the SIM, it won't let me update through the phone itself. I thought I'd found a helpful response in another thread on how to update via USB, but it went to a mediafire file that was no longer available. It seems as though the lack of a SIM card is preventing any downloads, even over wifi. I can browse the internet, check email, log into facebook, etc... but at the same time even some of the current apps already on the phone won't work. I've tried looking to see if a sim is required for downloads to work, but so far I haven't found anything particularly useful.

Where/how do I update to the current version of Android? Do I need to update the ROMs & Kernels as well? What other files would need updated to "bring it up to speed"? What order? (I've read that is important.) I'm generally quick at picking up on things like this and looking forward to learning from you all.
There's a guide on here to unlock the Captivate. You should be able to use it on Sprint once it's done.

As for updating, the cappy lost Samsung support a while ago but you can flash a custom ROM from here which should give you much better results thant stock firmware. You can follow a guide to do so, it's fairly straight forward.

If you do go for a custom ROM, I suggest you stick with JellyBean. Kitkat is a bit heavy for the Captivate.
 

Sumegitsune

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Aug 3, 2014
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There's a guide on here to unlock the Captivate. You should be able to use it on Sprint once it's done.

As for updating, the cappy lost Samsung support a while ago but you can flash a custom ROM from here which should give you much better results thant stock firmware. You can follow a guide to do so, it's fairly straight forward.

If you do go for a custom ROM, I suggest you stick with JellyBean. Kitkat is a bit heavy for the Captivate.
I've been going over the Wiki as I've had time. I installed Kies Mini and have almost upgraded from Eclair to Gingerbread. I'll try looking again at the unlock guides. The only ones I had seen before required a sim card. I thought sprint wouldn't be compatible since it doesn't use a card though? And any ideas why I can't download from the market over wifi?
 

BWolf56

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Mar 25, 2011
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I've been going over the Wiki as I've had time. I installed Kies Mini and have almost upgraded from Eclair to Gingerbread. I'll try looking again at the unlock guides. The only ones I had seen before required a sim card. I thought sprint wouldn't be compatible since it doesn't use a card though? And any ideas why I can't download from the market over wifi?
Not so sure why you can't download over wifi, that should work w/o a sim card (as long as you're connected to your Google account).

And Sprint does use sim cards (just like any other carrier). You don't really need another card to unlock. But being with Sprint, don't you have a sim card? Otherwise, you can always get one from them for fairly cheap.
 

Sumegitsune

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Aug 3, 2014
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imersati from

Not so sure why you can't download over wifi, that should work w/o a sim card (as long as you're connected to your Google account).

And Sprint does use sim cards (just like any other carrier). You don't really need another card to unlock. But being with Sprint, don't you have a sim card? Otherwise, you can always get one from them for fairly cheap.
Just finished the update to Gingerbread. Couldn't download with Eclair, but Gingerbread was letting me (albeit slowly). If I update to Jellybean would that fix the slowness?

I don't think my last phone had a sim, at least I do not remember seeing a card. It was a Galaxy S3..
---

Just looked it up:
Unlike the other carriers with Galaxy S3 phone availability, Sprint opted not to have a removable SIM card for their version. Instead, the SIM card is embedded into the S3 phone itself.
Even so, my last phone was stolen, otherwise I wouldn't have needed this one. ;) Thanks anyway though. I'll see if I can get a sim card. My current phone doesn't have one either (Samsung Seek) :eek: When you mentioned sprint had sims, I thought I'd lucked out, but nope! lol
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Just got off the phone with sprint. I only told her it was a galaxy S, but she said that sprint doesn't use sim cards anymore, they're for international use. Not sure how accurate that is but I'm going to try unlocking it without a sim and see if it'll work. If not they said they could try to get one for me. ^_^ Either way, looks like my main project will be speeding it up (if possible). Thanks again!
 

BWolf56

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Mar 25, 2011
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Just finished the update to Gingerbread. Couldn't download with Eclair, but Gingerbread was letting me (albeit slowly). If I update to Jellybean would that fix the slowness?

I don't think my last phone had a sim, at least I do not remember seeing a card. It was a Galaxy S3..
---

Just looked it up:

Even so, my last phone was stolen, otherwise I wouldn't have needed this one. ;) Thanks anyway though. I'll see if I can get a sim card. My current phone doesn't have one either (Samsung Seek) :eek: When you mentioned sprint had sims, I thought I'd lucked out, but nope! lol
----

Just got off the phone with sprint. I only told her it was a galaxy S, but she said that sprint doesn't use sim cards anymore, they're for international use. Not sure how accurate that is but I'm going to try unlocking it without a sim and see if it'll work. If not they said they could try to get one for me. ^_^ Either way, looks like my main project will be speeding it up (if possible). Thanks again!
Getting a JB custom ROM on it will surely speed it up. As for the download speed though, not a whole lot can be done. It has some old hardware and it also depends on your router. That being said, a newer kernel could help.
 

Sumegitsune

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Aug 3, 2014
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I found finally a thread for rooting my phone. (All the other methods I'd found seemed to have issues with GB). Worked great! Found the Galaxy_S Unlock by helroz (after tons of searching), but it's "not available in your country". :( I'm searching for a way to get it downloaded anyway, but don't know if it'll work w/ GB. Tried Superoneclick and it said device was already rooted (true) but when I tried to get the unlock code, nothing happened. It apparently doesn't work with GB, only Eclair & maybe Froyo. So right now it's either get helroz's app downloaded or I have to go back to Froyo some how (since going back two builds is apparently not recommended), find a way to unlock it, and upgrade it again. I'm going to keep looking, but if anyone knows how a better way to unlock it, I'd appreciate it!

Phone: Samsung Galaxy Captivate
Firmware: 2.3.5
Baseband: I897UCKK4
Kernael: 2.6.35.7-I897UCKK4-CORNv70A
Build: GINGERBREAD.UCKK4
 

BWolf56

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Mar 25, 2011
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I found finally a thread for rooting my phone. (All the other methods I'd found seemed to have issues with GB). Worked great! Found the Galaxy_S Unlock by helroz (after tons of searching), but it's "not available in your country". :( I'm searching for a way to get it downloaded anyway, but don't know if it'll work w/ GB. Tried Superoneclick and it said device was already rooted (true) but when I tried to get the unlock code, nothing happened. It apparently doesn't work with GB, only Eclair & maybe Froyo. So right now it's either get helroz's app downloaded or I have to go back to Froyo some how (since going back two builds is apparently not recommended), find a way to unlock it, and upgrade it again. I'm going to keep looking, but if anyone knows how a better way to unlock it, I'd appreciate it!

Phone: Samsung Galaxy Captivate
Firmware: 2.3.5
Baseband: I897UCKK4
Kernael: 2.6.35.7-I897UCKK4-CORNv70A
Build: GINGERBREAD.UCKK4
You don't need another root if it's already rooted. I'm not sure about the steps to unlock the Cappy but it's possible that it needs to be on a older version.