Worth upgrading from gear 2?

Yes. If you forward your calls to the watch.

If this is a standalone why would I have to forward my calls. I thought the SIM card in the watch would enable me to use it without my phone. I will get the SIM and have it activated but if I take a bike ride, I'll leave my phone home and use my watch and bluetooth will that work or will I have to use the watch speakers?
 
If this is a standalone why would I have to forward my calls. I thought the SIM card in the watch would enable me to use it without my phone. I will get the SIM and have it activated but if I take a bike ride, I'll leave my phone home and use my watch and bluetooth will that work or will I have to use the watch speakers?
I have Sprint (no sim card) so I could be wrong. But I believe:

The sim card gives you a different phone number. If you want to answer your phone's calls you forward those calls to the watch.
 
No you can't get a clone sim card (at least here in the UK anyway). You can use it without a sim card if you wish and only ever have it paired with your phone via bluetooth, buy if you want to leave your phone at home and take only the Gear S you will need a sim card in it and it will have to be an extra call plan/new number (sim only plan on your current network perhaps?, or a pay as you go sim from any network). Then the Gear S will work standalone using its own number or you can use Remotely Connected mode where your phone relays all your calls/messages/notifications to your Gear S via cellular network. Kinda like call forwarding

sent from my Galaxy s5

If I got a pay as you go sim would notifications come through like they do on my phone? Meaning would it just transfer over via what's been set up?
 
Dante314, I have been following your battery woes and it does seem like you have a lemon. While I am not getting 30-40 hours like some people are reporting, I used it for 15 hours and had 25 percent left. That is also with the brightness set to 100 percent. Today is my second day also and I am curious to see how it goes. I have had it on for 4 hours and I am at 91%. Can you not swap it under warranty?

I can, but it's not a lemon. Yesterday I got 12 hours plus with over 30 percent left. I had to turn GPS off, and mobile networks off and stayed connected via blue tooth only, Wi-Fi off as Well. Today while at home at least I'll slowly start turning things back on. Today will be Wi-Fi. I'm guessing having my mobile network on and in auto mode along with the GPS checked caused my initial massive battery drain.

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My battery is still going from yesterday at 8am. I'm at 31%. No remote connection (forwarding calls) or gps. Have wake up motion off.
 
I can, but it's not a lemon. Yesterday I got 12 hours plus with over 30 percent left. I had to turn GPS off, and mobile networks off and stayed connected via blue tooth only, Wi-Fi off as Well. Today while at home at least I'll slowly start turning things back on. Today will be Wi-Fi. I'm guessing having my mobile network on and in auto mode along with the GPS checked caused my initial massive battery drain.

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You really don't need wi fi on unless you want to download something. I usually just leave my mobile network to auto, and wi-fi and gps off. I also have remote connection on, and clock always on. I used it a few times to make some quick calls and checked a few email and after 8 hours it only dropped 20% to 80%.

How would you share the same number?

The easiest way is to just use Google Voice. I am using it for both my Note 4 and S. I turned off my bluetooth and when I called my Google number they were both ringing.
 
You really don't need wi fi on unless you want to download something. I usually just leave my mobile network to auto, and wi-fi and gps off. I also have remote connection on, and clock always on. I used it a few times to make some quick calls and checked a few email and after 8 hours it only dropped 20% to 80%.

How do you set that up? sorry if it's a stupid question

The easiest way is to just use Google Voice. I am using it for both my Note 4 and S. I turned off my bluetooth and when I called my Google number they were both ringing.
 
My battery is still going from yesterday at 8am. I'm at 31%. No remote connection (forwarding calls) or gps. Have wake up motion off.

For those of you that have motion off, when you actually want to look at the time do you press the button on the watch to turn the screen on? Have you found it to be a little bit of annoyance with this extra step? I want to save battery life but I also live being able to turn my wrist around and it automatically show the time

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I was thinking the same thing. How do you set up Google voice on the s ?

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The same way as a regular phone. You have to set it up online though. Put in the info and then you'll have to call the S from online and once you get the call, type in the number it has online. Once your number has been verified, you just have to activated Google voice from your S and you're done.

Anyone that calls your Google number can reach you there. However your Google number will not show up on their caller id since there's no Google app for the S. That's how I set up mine, I have my Note 4 on my main Google voice account and my S on my other Google voice account.