Article
Ask iLounge 7-3-09
By Jesse Hollington
Applications Editor, iLounge
Published: Friday, July 3, 2009
Category: Ask iLounge
Ask iLounge offers readers the opportunity to get answers to their iPod-, iPhone-, iPad-, iTunes-, or Apple TV-related questions from a member of the iLounge editorial team. We'll answer several questions here each week, and of course, you can always get help with more immediate concerns from the iLounge Discussion Forums. Submit your questions for consideration using our Ask iLounge Submit Form. We reserve the right to edit questions for grammar, spelling, and length.
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Q:
On many iPhone OS 3.0 feature lists and screenshots, a feature is touted that will display geographic info in your call list under numbers who are not in your contact list, like city/town, etc. On my iPhone 3G I’ve used 3.0 beta, gold master and official release, and the 3.0
official release on the iPhone 3GS, and this feature does not work, and there are no settings for it. I’m in the UK, on O2, so am I right in assuming this is a US/AT&T only feature?
- Mark
A:That’s essentially correct. The feature actually works in both the U.S. and Canada, although the information displayed for Canadian numbers is confined to listing the province only, rather than the specific city. Outside of North America the information appears to simply not be available at all.
The feature is actually based on a database stored on the iPhone itself that matches phone number information to geographic location. As with most files on the iPhone, this database is not user-accessible, although you can access it if you have jailbroken your iPhone. The database is in an SQLite format and if you can access it you can add your own entries. Since the database structure is based on the North American Numbering Plan format, it may not scale well for other countries, but if you’re interested in exploring it further, it’s definitely worth a look.
I’m told that with the new 3.0 update a second-generation iPod touch now supports Bluetooth. Is it possible to connect a Motorola h500? If so, how?
- Steve
A:The short answer is that most Bluetooth headsets made for cellular headset/handsfree audio are not compatible with the iPod touch.
Support for different Bluetooth devices and features is determined by the Bluetooth “profiles” that are available on the devices. A Bluetooth profile defines the capabilities of a device and how it communicates with other Bluetooth devices. For Bluetooth communication to occur between two devices, they must both support the same Bluetooth profile.
There are three Bluetooth profiles that are commonly used for Bluetooth audio communication. The first two, “Headset” and “Handsfree” are intended for two-way monaural audio between a headset device and a cellular phone, and is the profile most commonly used for cellular phones that provide Bluetooth support and for cellular phone Bluetooth headsets. The “A2DP” profile is designed to provide one-way stereo audio from your device to a set of earphones for the purpose of listening to music playback.
All models and previous firmware versions of the iPhone provide support for the Headset and Handsfree profiles for using a Bluetooth headset for phone calls. However, this capability was limited to phone-related audio; you could not stream your iPod playback, even monaurally, to a Bluetooth headset.
The iPhone 3.0 OS has added the A2DP profile to the iPhone 3G, iPhone 3GS and iPod touch 2G, so that you can now associate an A2DP device with your iPhone or iPod to listen to your music and other audio playback. The catch, however, is that since the iPod touch does not have a
component, there is no need for it to support the Headset/Handsfree profiles, since these are not designed for audio playback but rather voice communications.
As with most phone Bluetooth headsets, the Motorola H500 uses the “Headset” and/or “Handsfree” profiles, which the iPod touch does not support. In order to use a Bluetooth headset with your iPod touch, you will need to find a headset that specifically supports the A2DP profile.
You can find more information on the specific Bluetooth profiles supported by the various iPhone and iPod touch models in Apple’s knowledgebase article: iPhone and iPod touch: Supported Bluetooth profiles.
I have just downloaded 3.0 software update for my iPod touch 2G. Now when I plug it into the USB port of my car it says it doesn’t exist. My son’s iPod which has not been upgraded works perfectly fine. Is it my iPod or the download? Seriously thinking of getting rid of 3.0 and going back to previous software. Please help.
- Sarah
A:Maintaining accessory compatibility with various iPhone and iPod touch firmware updates is a common problem, particularly between major version updates. That having been said, however, you may want to ensure that this isn’t just a temporary problem by going through a few simple diagnostic procedures.
First, try rebooting your iPod touch by holding down the HOME and SLEEP/WAKE buttons simultaneously for about 10 seconds. This is the same concept as rebooting your computer, which of course often works to resolve computer-related problems as well.
If this does not fix the problem, your next step should be to try restoring the iPod touch back to its default configuration. To do this, connect your device to your computer and select it in iTunes. From there, click the “Restore” button that appears in the main iTunes window. iTunes will wipe your iPod touch and reinstall the 3.0 firmware onto it. This process will take about 5 minutes or so, and the your iPod touch will reboot. At that point, iTunes will offer to restore a backup of your previous iPod touch configuration. Respond instead that you want to set it up as a new iPod touch. From here, you can load some music on it and try it with your car to see if it works. Note that you can always restore your backup onto your device later from iTunes by right-clicking it in the devices list and choosing the “Restore Backup” option.
If your iPod touch doesn’t work even after you’ve restored it to factory settings and set it up from scratch, then it is very possible that something has changed in the 3.0 firmware that affects the interface between your car and the iPod touch. At this point, your best option would be to contact the dealer/manufacturer for your particular stereo system and see if they have an update available that fixes the problem with 3.0 compatibility.
I just got a new iPhone 3GS and I want to watch movies on an 8-hour plane trip. Any suggestions? Battery life is much less than my old iPhone.
- Randi
A:For using your iPhone to watch movies during a long plane trip, the simplest thing to do is ensure that it is in “Airplane Mode” and to keep the screen brightness adjusted as low as possible. The major sources of power consumption on the iPhone are the cellular, Bluetooth and Wi-Fi radios and the display backlight. We performed some battery tests in our iPhone 3GS Review which indicated that you should be able to easily get between 7 and 8 hours of battery life even with the cellular and Wi-Fi radios turned on and your screen brightness at 50% and volume level at 50%. Our tests following Apple’s methodology of enabling call forwarding and turning “Ask to join Wi-Fi Networks” off saw an increase in battery life to 10 hours, since the Wi-Fi and cellular radios are more dormant in this mode. In Airplane Mode you should easily get 10 hours of video playback.
That having been said, getting off the plane with an iPhone that’s nearly drained of power is not likely going to be very useful. If you plan to travel with your iPhone, we would strongly recommend picking up an external iPhone battery pack such as the FastMac TruePower IV Universal Battery Charger (iLounge rating: B+), Just Mobile Gum Pro Portable USB Power Pack (iLounge rating: A-) or Mophie Juice Pack Air (iLounge rating: B). Each of these has a slightly different form factor and price, but generally if you’re looking for maximum charging power, the TruePower IV at 3300 mAh and Gum Pro at 4400 mAh are the best we’ve seen, easily providing 3-4 full charges of the iPhone from a completely dead battery. On the other hand, the Mophie Juice Pack Air is designed for those who are more concerned with a smaller and less obtrusive case-style battery that can be left on the iPhone, providing only 1200 mAh, or basically a single full charge of the iPhone’s own 1150 mAh battery.
I was thrilled to read in your recent wrap-up of iPhone OS 3.0 features that “certain stereo recording accessories can be attached” to trigger stereo recording mode in the iPhone and iPod touch with the 3.0 OS. I am a musician and for years I have been recording rehearsals onto a fairly archaic digital minidisc player with a decent, powered Sony stereo microphone. Based on your article, I thought I would try attaching my microphone to my iPhone via the 1/8” miniplug and using Voice Memo for recordings. Unfortunately the microphone wasn’t even recognized by the Voice Memo app. The iPhone instead stubbornly used its built-in mic. Is there a particular type of microphone that connects not via the headset/speaker/microphone miniplug, but via the plug on the bottom of the phone? If not, may I ask what equipment you used that worked as you described?
- Eric
A:The headphone port on the iPhone and second-generation iPod touch is specifically wired for a headset-based microphone, and will not accept other types of audio input. Essentially, it is a three-connector plug, with the first two connections used for the left and right audio channels and the third connection used for a monaural audio input, such as from the microphone on the earphones included with the iPod touch or iPhone itself.
To enable stereo recording on the iPhone and iPod touch in iPhone OS 3.0, you must use an external audio recording accessory that connects to the Dock Connector on the bottom of the device. These accessories have been available for some time for use with traditional click wheel iPod models, beginning with the fifth-generation iPod. Until iPhone OS 3.0, however, none of these devices were supported for audio recording on the iPhone or iPod touch, as these did not include a built-in recording application.
With the release of iPhone OS 3.0 and the included Voice Memo application, most of these accessories are now supported, although there still appear to be some inconsistencies as to which ones work and how well these work. These problems are likely related to bugs in OS 3.0 that will hopefully be remedied in a future update. However, even older devices which were made for the original fifth-generation iPod, such as the Belkin TuneTalk Stereo, seem to work more or less as expected with the iPhone and iPod touch. You can find a list of iPod audio recording accessories in our Audio Recorder Reviews.
One last important point of note: Even in stereo mode, the audio recordings made by the built-in Voice Memo app are encoded as 128kbps AAC files. Depending on what you’re recording, this may represent a lower quality than you would prefer. It is possible third-party applications may become available through the App Store to offer higher-quality recording, but it is uncertain at this time whether this is even possible in the current iPhone SDK.
I am a new iPhone owner and have a question about the iPhone’s battery: I understand that the battery can recharge fully approximately 400 times before it’s life begins to shorten. I have it on an FM transmitter in the car which charges it and I plug it into a wall USB charger while at my desk and at home. I am also considering purchasing one of those battery pack cases for the phone. My question is whether the battery is bypassed while plugged in or whether it continues to drain while being continually recharged? Am I reducing my battery life by leaving it plugged in while driving, at work and at home?
- Michael
A:Like most modern electronic devices, the iPhone uses a lithium-ion battery, which although offering a limited number of charge cycles, does not have the issues with minor top-up charges that older rechargeable battery technology had. This means that you can plug in your iPhone into a charger regularly and this will not have any impact on the overall battery life.
Just to be clear, a “charge cycle” refers to a complete recharge of the battery, so if you are regularly topping up your iPhone battery, you are only using fractional charge cycles.
When the iPhone is running from external power, such as in your car or at your desk, the iPhone operates from the external power and charges the battery simultaneously. In this mode it does not consume any battery power, and therefore is not constantly recharging. Once the battery is fully charged, the charging circuit cuts off completely and the iPhone simply runs from external power. This is indicated by the plug icon appearing over the battery indicator.
Note, however, that since the battery is not being used at all when running from external power, it may lose a bit of power naturally and the iPhone will therefore occasionally apply a top-up charge. This would be similar to the way in which the iPhone would lose a bit of battery power even if it were sitting on a shelf turned completely off—batteries drain naturally, albeit it slowly. For the same reason, Apple recommends that you do not leave your iPod or iPhone constantly powered from an external power source, since that would effectively be the same as leaving it powered off on the shelf; the battery won’t get used at all and can suffer from disuse as a result.
Realistically, however, none of this is going to be an issue unless you are leaving your iPhone plugged in to external power for several days at a time, which most people are unlikely to do for a device such as the iPhone.
For more information, we have a more detailed explanation on iPod Battery Life and Charging in our May 9, 2008 Ask iLounge Column.
Ask iLounge Archives:
2-3-12: Deleting pictures from Photo Stream, Transferring Apps to a new iTunes library, Apple Universal Dock and iPhone 4S, Getting Track Names after CD Import, Video Playlists on the iPad
11-25-11: Removing music after activating iTunes Match, Smart Playlists and iTunes Match, Backing up data from an iPhone, Syncing MP3s to an iPod nano, Migrating Playlists to a new Computer
11-11-11: Configure Apple IDs on family iOS devices, Recovering lost audiobooks, Unable to disable passcode lock on iOS devices, Buying an iPod for audio-only use, Preventing deleted tracks from coming back from an iOS device
11-4-11: iPhone 4S storage capacity doesn't match, Transferring HD video from iPhone 4S to a computer, Recovering photos from iPod touch, Notification Center and iMessage in iOS 5
10-21-11: Using iCloud's Find My iPhone on older devices, Batch deleting photos in Camera Roll, Using iTunes Gift Cards internationally, Audiobooks and iCloud, Merging contacts from two devices into iCloud
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1
Hi,
If I have more than one iPhone will iTunes (on Mac of course) treat them as totally separate and independent devices? However I would like both iPhones to share address book, calendar AND text messages and email. Thanks.
Posted by George on July 6, 2009 at 7:07 PM (PDT)
2
Jesse, it looks like your html editor slipped a gear trying to italicize the word “iPhone” in the fifth paragraph of the 2nd topic’s Answer. (“touch does not have a [bad tag] component”)
Posted by Stu on July 9, 2009 at 8:14 AM (PDT)