Keeping iphone plugged in

Question: Q: Will keeping a phone plugged in damage the battery?

Posted on Dec 13, 2017 8:05 AM

Apple doesn’t recommend it—I asked them. I do it, and it’s fine, so I think it’s ok.

Apple does, in fact, recommend charging the phone whenever you want.

Charge your Apple lithium-ion battery whenever you want. There’s no need to let it discharge 100% before recharging. Apple lithium-ion batteries work in charge cycles. You complete one charge cycle when you’ve used (discharged) an amount that equals 100% of your battery’s capacity — but not necessarily all from one charge. For instance, you might use 75% of your battery’s capacity one day, then recharge it fully overnight.

Posted on Dec 13, 2017 12:34 PM

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I leave mine plugged in overnight every night — always have with every iPhone and iPad I have had. The phone controls its own battery charging, and simply stops charging the battery once it has reached full capacity.

Partial discharge and charge cycles also will not harm a lithium battery. I too often plug my phone in when in my car, or when in my office at work, when sitting in the airport or train station if waiting and an plug is available. No point in not keeping it topped up if convenient to do, so it is always well charged at the times you do need the battery to last awhile.

Industry standard SMART lithium battery technology is very robust and inherently guards against over-charging. Any quality brand name lithium battery, in any device from an electric toothbrush to a electric car, should be fine if left plugged in after the battery is fully charged. That’s the very reason for the industry standards in the first place, so you don’t have to worry or baby sit your battery powered devices and their charge state.

Dec 13, 2017 2:10 PM

I would have to agree with that. I do sometimes charge my battery before I leave work depending on the battery level, but my half brained ideas or answers come from me working overnights.

But charging it and keeping it topped up there’s nothing wrong with that. What do you have to lose? Zero.

Dec 13, 2017 2:13 PM

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Nope. I do it all the time at home.

iPhone will automatically stop charging once it’s full. You cannot overcharge an

iPhone, iPad or iPod touch with Apple charger and cable that came with the device.

Dec 13, 2017 8:10 AM

I leave mine plugged in overnight every night — always have with every iPhone and iPad I have had. The phone controls its own battery charging, and simply stops charging the battery once it has reached full capacity.

Partial discharge and charge cycles also will not harm a lithium battery. I too often plug my phone in when in my car, or when in my office at work, when sitting in the airport or train station if waiting and an plug is available. No point in not keeping it topped up if convenient to do, so it is always well charged at the times you do need the battery to last awhile.

Industry standard SMART lithium battery technology is very robust and inherently guards against over-charging. Any quality brand name lithium battery, in any device from an electric toothbrush to a electric car, should be fine if left plugged in after the battery is fully charged. That’s the very reason for the industry standards in the first place, so you don’t have to worry or baby sit your battery powered devices and their charge state.

Dec 13, 2017 2:10 PM

I would have to agree with that. I do sometimes charge my battery before I leave work depending on the battery level, but my half brained ideas or answers come from me working overnights.

But charging it and keeping it topped up there’s nothing wrong with that. What do you have to lose? Zero.

Dec 13, 2017 2:13 PM

Apple doesn’t recommend it—I asked them. I do it, and it’s fine, so I think it’s ok.

Dec 13, 2017 12:30 PM

Apple doesn’t recommend it—I asked them. I do it, and it’s fine, so I think it’s ok.

Apple does, in fact, recommend charging the phone whenever you want.

Charge your Apple lithium-ion battery whenever you want. There’s no need to let it discharge 100% before recharging. Apple lithium-ion batteries work in charge cycles. You complete one charge cycle when you’ve used (discharged) an amount that equals 100% of your battery’s capacity — but not necessarily all from one charge. For instance, you might use 75% of your battery’s capacity one day, then recharge it fully overnight.

Dec 13, 2017 12:34 PM

Thank you for that! I don’t know why that page never showed up in my search results or why I didn’t think to check there but thanks!

Dec 13, 2017 2:14 PM

I’m glad it helped. I’ve had a lot of practice looking for this stuff. It makes it easier.

Dec 13, 2017 2:18 PM

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Question: Q: iPhone connects and disconnects from Mac

When I plug in my iPhone to my Macbook pro, it repetitively connects and disconnects. Therefore I cannot charge my phone through my computer anymore.

I own this iPhone since decembre 2018, and this issue only appeared this week. However when I plug in my iPhone to a wall outlet, it charges perfectly. I also noticed that there is a lag time before my phone starts charging when connected to my Macbook (before disconnecting right away, and then reconnecting etc).

I tried to connect my iPhone to both USB ports of my Macbook, with many different Apple lightning cables and also my Anker cable (MFI certified), but the issue substains. I plugged in my mother’s iPhone 6 to my Macbook and it charged perfectly. I plugged in my iPhone to my brother’s former Macbook pro (15″ from 2008) and my iPhone could charge normally.

Here everything I tried to resolve this issue (which failed by the way) :

— I shut down and turned on my computer and my phone.

— I also restored my phone.

Could anyone tell me a solution?

I specify that I have a 256Go iPhone X under IOS 11.2.5 and a 13″ retina Macbook pro (mid 2014) under High Sierra 10.13.3.

[Re-Titled by Moderator]

iPhone X, iOS 11.2.5

Posted on Feb 10, 2018 1:34 PM

Helpful answers

Connect your iphone to your Mac.

Go to Activity Monitor —> Search for usbd —> Force quit it.

Sep 11, 2018 8:27 AM

sudo killall -STOP -c usbd

. worked like a charm for me.

Sep 22, 2018 8:00 PM

I had same issue on my iphone 6, ios 9.3.2. After searching through the web i found following solution that helped me:

You need to reset your privacy and location info and then trust your iphone with itunes again.

1. Disconnect your iphone from cable.

2. On your iphone: ->Settings -> General -> Reset -> Reset Location & Privacy (accept all things).

3. Connect your iphone back to cable. (iphone will reconnecting again, don’t worry, it will be soon over).

4. iTunes will ask about trust, accept all this.

After that your iphone should stop reconnecting repeatedly and start to charging normally.

May 31, 2018 3:29 AM

But I do think I solved my problem, by something similar.

On the hunch that the computer was trying to set up a network connection via the phone while the phone was trying to do something else, I went into the network settings and found that in the list of services I had an entry for «Thunderbolt Bridge.» I thought it was off, because it was listed as Inactive and the configuration I could see said «Configure IPv4: Off». But to make sure it was really completely disabled I pushed the «Advanced» button to change the configuration details (after clicking the lock icon and authenticating, of course). I changed «Configure IPv6» from «Automatically» to «Manually» and saved that.

After that, connecting my phone to the laptop finally worked. I was just now able to get some pictures off my phone onto the laptop.

Apr 22, 2018 6:29 PM

I think I found a solution after much research.

On the mac, go to settings>Network> iphone USB> then uncheck the box that says «Disable unless needed»

This worked for my iphone 7

I hope this helps!

Sep 20, 2018 1:12 PM

I have an iPhone X and MacBook Air. I have done everything and nothing fixed it. Tried this and seems right. I hope Apple figure it out and fix it in new updates, however, I’ve seen that people have had this problem from 2013.

I just wanted everyone to have the solution here that way when others experience it, they can hopefully find this solution quickly. Luckily several of you like ( MrArifFikri ) touched on the solution already, I’ll just specify the reason for clarity.

It comes down to power, or more importantly «current». Specifically, with an iPad, USB power consumption is very finicky. So in order for the USB direct connection to your PC, USB hub, or laptop you need to make sure your iPad is charged to over 51% . This will reduce the power draw the iPad will attempt to pull from the USB connection. This should give you flawless charging and syncing capabilities. Now you can sidestep this in some cases by using USB ports on your hub, PC or laptop that are closer to the power supply, or series on the circuit board.

If your iPad is below 51%, you need to use the «cube» or power block that came with your iPad. (The smaller one for your iPhone is not recommended as it lacks the internal transformer that the iPad power block has) The reason for this is that your iPad is attempting to draw too much current from the USB connection through a substrate, i.e. the PC, USB hub or laptop connection. They are only designed to allow a limited amount of current through those connections, thus your iPad continues to «trip» the charging circuit in the device because the power draw is too low.

I hope this helps stop the «doodledee. deeedledoo» beeping madness you’re experiencing! 🙂

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Keep iPhone Screen On (when plugged in)

Is there an app (normal, jailbreak) that will keep my iPhone (3GS, OS 4.x) screen on, indefinitely, when it is plugged in, regardless of what app is running in the foreground?

5 Answers 5

An unexplained downvote brought to my attention this old post, so I decided to update it.

I don’t have an iPhone any longer, but my iPad screen simply stays on, whenever plugged in or not, if my setting to Auto Lock is set to Never. On iOS 7+ it is that simple.

Now, if you want to automatically change it back (which is a completely different question), once you plug it out, you’ll need to jailbreak. But since it’s complicated and I haven’t tried, I’ll just give one pointer that seems to do it: get Tasker (found on lifehacker).

I personally rather just manually switch it on and off, until apple decides to have some kind of NFC. It should be just around the corner, if not with NFC, then with iBeacon.

Old answer (jailbreak only, iOS 4 or less)

First, I just tried on my iphone and even calculator stays active after 1 minute, even if the screen dims out. So maybe your question is really just about keeping the screen on.

Anyway, I can think of two solutions: kirikae with backgrounder might do the trick as a side effect. If not, you can use SBSettings with Autolock toggle to do it manually and temporarily set the auto-lock to never. All of them you should find in Cydia.

edit: as none of the above actually worked, here’s some update.

Some custom toggles on SBSettings seem to just not work indeed. It’s probably due to getting outdated or conflicting with something else, two common problems we find on cydia apps. BigBoss is kind of similar to SBSettings and also have an Autolock toggle. You could use it along with some multitasking, leave it on the background and use it as needed. It hardly have any conflicting issue.

Unfortunately I can’t find many more ideas to this.

Only thing I can assure you is that I just tried SBSettings’s Autolock toggle on my iOS 3.1.3 and it works. It also says it’s updated to 4, so most likely it’s either problem with 4.1 or conflicting with something else you’ve got installed. And believe me, there are conflicts from the least expected things (look at the comments).

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Question: Q: keep iphone plugged in or let battery drain to 20% before charging?

I had to replace my iPhone5 battery after a little over a year. I’m trying to figure out if I need to change my battery charging/usage habits to make this (new) battery last longer.

I normally keep my phone plugged in most of the time. I have a USB cable attached to my PC at home. I have a car charger that I use for audio as well as running Waze or Google Maps for navigating while driving. I have a USB cable at my office. The bottom line is that the battery would typically get discharged to 70% at the most, and would be generally plugged-in.

Is it better for me to let the battery discharge to 20% and plug in my phone at that time?

I read somewhere that the battery is good for

300 charges. Would that get «used up» if I keep pluggin my iPhone in frequently?

Any advise on using my device to get more battery life?

Posted on Jan 5, 2014 7:59 AM

What’s the lowest your battery gets to (typically) before it gets topped off?

There is no typical. My days vary a lot. Some days, I’m at my desk a lot and my phone is plugged in most of the day. Some days, I’m barely in my office and I run the battery down to 20-30% by the time I leave for home and plug it in. I just don’t worry that much about it. Seriously, don’t over think it. Just plug it in when you can.

Posted on Jan 5, 2014 10:05 AM

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The two biggest killers of Lithium batteries, the kind in your phone, are exposure to heat, & frequent full discharge/recharge cycles. So, try to avoid discharging your battery fully as much as possible. Fine to keep it plugged in & to charge frequently.

Jan 5, 2014 8:01 AM

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The two biggest killers of Lithium batteries, the kind in your phone, are exposure to heat, & frequent full discharge/recharge cycles. So, try to avoid discharging your battery fully as much as possible. Fine to keep it plugged in & to charge frequently.

Jan 5, 2014 8:01 AM

i’ve had my iphone 5 for a year now and the battery is basically still as strong as before. what i do is use my phone normally throughout the day and then at night when i go to sleep i plug it in and leave it till the morning. sometimes, if i use it extensively the battery reaches 10% before nightfall, and if i still need the phone i charge it again, otherwise even if the battery reaches 5% i charge it once: at night. the iPhone 5 has a pretty weak battery life, and gaming and extensive internet usage drain quite some energy from it so there’s nothing you can do about that. if you desperately need a long battery life because of the intensive usage of your phone and do not want to charge your phone more than once a day here are a few tips that will help you prolong your iphone’s battery life: http://ipod.about.com/od/iphone3g/tp/iphone-battery-life.htm

P.S: I’ve read it is important to let the battery drain totally every once in a while (i do that about once a month).

Jan 5, 2014 8:17 AM

What may be helpful, is to calibrate your battery once a month (draining the battery to 0%, waiting for some hours and then charging it to 100%).

Best regards, Rudi

Jan 5, 2014 8:20 AM

P.S: I’ve read it is important to let the battery drain totally every once in a while (i do that about once a month).

That’s not true at all, & will do more damage than good. Apple does not recommend you do this.

Jan 5, 2014 8:21 AM

But they recommend doing it for laptops:

Jan 5, 2014 8:25 AM

Great, & exactly what does that have to do with an iPhone?

Jan 5, 2014 8:27 AM

Not much. I thought they were recommending it.

Jan 5, 2014 8:32 AM

So, I have one suggestion to keep doing what I am doing (plug in the phone when I can, home, car, work, and keep the battery topped off) and another to use it during the day and plug it in at night.

Personally, I cannot make the battery last all day with push email, streaming music, Bluetooth and GPS use. I’ll probably get down to 20% by late afternoon. And I refuse to dumb down my smartphone and not use the features I paid for and cherish.

Any closing thoughts on what an ideal level of discharge should be before you charge the battery, assuming you start out the day at 100% SOC? I’ll just follow that pattern.

Jan 5, 2014 9:46 AM

You misread the recommendation. They are only recommending that you do that if you use your laptop infrequently:

If on the other hand, you use a desktop computer at work, and save a notebook for infrequent travel, Apple recommends charging and discharging its battery at least once per month.

For someone who uses the laptop daily, they are only recommending that you do not keep it plugged in all of the time.

Jan 5, 2014 9:52 AM

Charge it when you can or when you need to. I keep a charger at my desk and one in my car (I’ve always done this, regardless of the brand or model of phone). If I’m going to be at my desk for a while, I plug it in. I always plug it in in the car as I stream music while commuting. If I’m traveling, I have a Mophie case which has a built in battery. I also plug it in at night when I go to bed. Charging it more is not a problem.

Jan 5, 2014 9:53 AM

What’s the lowest your battery gets to (typically) before it gets topped off?

Jan 5, 2014 9:57 AM

What’s the lowest your battery gets to (typically) before it gets topped off?

There is no typical. My days vary a lot. Some days, I’m at my desk a lot and my phone is plugged in most of the day. Some days, I’m barely in my office and I run the battery down to 20-30% by the time I leave for home and plug it in. I just don’t worry that much about it. Seriously, don’t over think it. Just plug it in when you can.

Jan 5, 2014 10:05 AM

This is what I had been doing with my 1st battery.

Lets hope this battery will do better.

Bye all, and thanks for your advice.

Jan 5, 2014 12:15 PM

Question: Q: keep iphone plugged in or let battery drain to 20% before charging? More Less

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