11-27-2012, 01:47 PM #1
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I have 2 relatively short questions. I've tried to find answers online, but to no avail.
So first off, where can I change the default save location for my pictures? I have Skydrive installed on my phone, and all my pictures are being saved on a weird folder there.
Second, what are the differences between the following Cellular Modes: Global Mode; LTE & CDMA; LTE, GSM, or UMTS?
Lastly, does High Contrast Mode save or consume more battery life? What about Wi-fi vs 4G LTE vs 3G?
- 11-27-2012, 02:03 PM #2
1. I have no idea about the pictures.
CDMA- This is the type of cell tech that Verizon and Sprint use. It's simless, so you can't swap sim cards in and out. P.s. SIM cards are very different than MicroSD cards.CDMA is also pretty much only used in the USA and Japan.
GSM- GSM is what ATT, Tmobile, and every European Carrier uses. They require SIM cards, which can be switched in and out at will.
UMTS- UMTS is 3g on a GSM device
LTE- LTE is 4g on GSM, however, all CDMA carriers have decided that they will use LTE on their phones. This is the first universal cellphone standard ever. However, only global phones can use the services world-wide becuase the different radiowaves that each country runs the LTE on.
Global mode - I think you mean Global Phones, these phones are GSM Phones that can operate on 4 or 5 different frequencies, so no matter what country you're in you should get service. In the case of CDMA global mode is when the newer CDMA phones use their built in SIM card for use in other countries. You typically have to call your service provider to get this activated.
If you have any more questions use a quick google search and check out the wikipedia pages for these topics. They go more in-depth than I do.
3. I don't know if high-contrast mode consumes more battery, but 3g, 4g, and bluetooth do consume more power, also wifi consumes power, and if you aren't using it, it is recommended that you turn it off to preserve battery life, but WP8 and WP7 currently automatically disconnect you from wifi when you lock the phone, so it isn't really that power savvy to turn it off in my opinion.
wifi consumes the least power, to my knowledge, then 3g, then 4g. The more data you are sucking in through your phone the more power you're eating up. Also, 3g and 4g access points are much farther from your phone than your router would be so sending and receiving data takes more power because of that. So use wifi when you can, and only use 4g over 3g if you are streaming videos or downloading stuff. Wifi is typically faster, but apparently you can get faster speeds on 4g than you can with wifi, but I, personally, question the validity of that.
- 11-28-2012, 05:11 AM #3
If you upload your pictures to SkyDrive through the Pictures app, it will automatically upload them to the MOBILE UPLOADS folder. If you do it with the SkyDrive app, you first select (enter / navigate to) the folder within SkyDrive whereto you want to upload your pics, then you select the pics for upload.
11-28-2012, 05:47 AM #4
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1. Pictures are saved to your phone AND to your skydrive, if you opt to do it. Otherwise just on your phone. On my English UK it saves to "Camera roll" on the phone and "Mobile uploads" on skydrive.
2. GSM, CDMA, LTE... they're all different standards. LTE will be usually the best one. But it's not something you can decide yourself: you'll be restricted to whatever you have on your country / carrier.
3. High contrast doesn't eat more battery. LCD screens will always use the same amount of battery no matter what colours are being displayed, because what's important there is the backlight and it's always on for LCD. Phones with AMOLED screens would actually use less battery with high contrast, because most of the backgrounds would be black and on AMOLED black = virtually no power consumption, white = max power consumption.
3. Wifi uses less than 3G and 4G. 4G will use a bit less power than 3G if you have very good reception, otherwise it uses more.
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