Fast charging on MI3. Does it work? - Mi 3 Q&A, Help & Troubleshooting

Does anyone here have a 2A charger and can tell us how much MI3 will get of that current? It is said that the MI3 comes with fast charging, but I bought a 2A charger and the maximum the phone gets is 1.3A. I am curious if that is the maximum the charger will output or just the phone can't receive more.
Did the measurement using Elixir2 app from the market, the "Information" thing. The standard Xiaomi charger puts out a maximum of 1A, and the brand new charger I got a maximum of 1.2A.

Nobody has a 2A charger? Maybe from a Samsung phone or tablet.

reneftw said:
Does anyone here have a 2A charger and can tell us how much MI3 will get of that current? It is said that the MI3 comes with fast charging, but I bought a 2A charger and the maximum the phone gets is 1.3A. I am curious if that is the maximum the charger will output or just the phone can't receive more.
Did the measurement using Elixir2 app from the market, the "Information" thing. The standard Xiaomi charger puts out a maximum of 1A, and the brand new charger I got a maximum of 1.2A.
Click to expand...
Click to collapse
I have 2A charger that I got with MI3 India. My phone gets 1.3 - 1.5 A while doing fast charging. I guess that's maximum it can draw.

How long does it take to charge?

For me only 0.6A
Hey man I heard someone on AOSP gets 1.9A, IDK how he does that.
For me even 1.3A would be good, look:
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I have tested it with more chargers, in more rooms, but I get only 0.6A :crying:
Every charging takes 3.5h for me.

Yes, 0.6A is pretty bad. Even stock charger is 1A. Maybe thay did that in MIUI to protect battery heating (to prolong battery life). I haven't tried AOSP (I'm waiting for non-MIUI stable lollipop release), but I will certainly check it out.
I've also noticed that in the chargers where two middle data pins don't work (meaning there is no voltage in them), charging doesn't work either (or it is waaay slower).
EDIT:
I've just charged my phone using Logitech charger (that came with my MX1100 mouse), and found out that MI3 uses 1A on this charger (don't know what is the rate on original charger). I am using MIUI 5, latest stable.

Hi guys! I know this is an old thread but I didn't want to open a new one.
I'm currently using a 5V 2A Samsung charger and my Mi3 only draws
1320-1330 mA. I'm using Ampere and I'm on Miui6 4.4.4 Xiaomi.eu latest
developer release.
What I would like to know is:
1 - Is it possible to enable fast charging through a software update given that
the hardware supposedly supports it or is this a limitation of that little chip that is
responsible for the current draw during charge?
2 - Does anybody know if the phone draws more mA with a different rom?
Thanks

Related

Tronsmart 18W Quick Charge 3.0 USB Turbo Wall Charger

I recently got ahold of a Tronsmart 18W Quick Charge 3.0 USB Turbo Wall Charger. For the future reference it can be bought via this link below:
http://www.amazon.com/gp/product/B015ZJKWFS
I should also note that this is aquick charge 3.0 charger has passed Qualcomm inspection to their standards with Qualcomm. I reached out to Tronsmart and got a picture of the verification.
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Some quick information regarding quick charge 3.0
"Quick Charge 3.0 is engineered to refuel devices up to four times faster than conventional charging. It is designed to charge twice as fast as Quick Charge 1.0 and to be 38 percent more efficient than Quick Charge 2.0."
Source - https://www.qualcomm.com/news/snapd...e-30-next-generation-fast-charging-technology
So lets begin this review.
1 - product shipping - The product arrived timely and fast but I was away on vacation so I couldn't post it as quick. It came in an all white box with the typical sealing. It's all recycling friendly so I love that. Yes you will read that in just about any review I post! Help save this planet.
2 - Items in box and specs of product -
Package content*
1 x Quick Charge 3.0 Charger*
1 x Quick Charge 3.0 Charging Cable*- 6 ft 20AWG
1 x Warranty Card.
Quick Charge 3.0 Ports*
Input: AC 100-240V, 50/60HZ.*
Output: DC 3.6V-6.5V/3A, 6.5V-9V/2A, 9V-12V/1.5A*
Note : only Quick Charge 3.0 compatible devices can get 27% faster charging speed compared with Quick Charge 2.0 Charger.
3 - Product pictures and modeling!
4 - product usage -
I do not currently have a quick charge 3.0 device to take advantage of this amazing 3.0 feature but as soon as I get one (hopefully galaxy s7 supports it) I will post more updated information. I tested it on my nexus 6 and o found it charges it amazingly quick. Perhaps quicker than my oem charger from Motorola? Perhaps it's all in my head?
The usb cable included performed much better than previous cables from tronsmart! It has a nice AWG which definitely in my opinion works long term wise.
My note 5 (gold) was able to charge fully at quick charger 2.0 speeds. Although you can't see when screen is on due to Samsungs limiting of the on screen charging rate.
It works great so far and doesn't make any humming noises like previous units bought from aukey. Mind you aukey doesn't even reply to emails. Good job for not making it an L shape charger too, Tronsmart.
5. Overall summary? If you're looking to replace a faulty 2.0 or even a tradition charger you should avoid paying $20+ at your local gas station or CVS for a slow charger when you can go on amazon and buy one of these Tronsmart quick charge 3.0 units for $16.99! Not only that but it's future proof for any new devices.
If you have any questions that you would want me to answer please feel free to post them here so that I can try my best to answer them.

My Moto take a lot of time to charge

Hey guys, I need help.
Since I bought my Moto a days ago, the phone takes a lot of time to charge. I'm talking of 15hours-1day to full charge.
I used different USB cables and chargers of different amperage but nothing, all the same.
I don't know what the problem is. The battery? USB port?
With Ampere app, it shows like 70-100mah when charged and -210 mah of discharge when no plugged. It is normal?
Help me guys ?.
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Chakapack said:
Hey guys, I need help.
Since I bought my Moto a days ago, the phone takes a lot of time to charge. I'm talking of 15hours-1day to full charge.
I used different USB cables and chargers of different amperage but nothing, all the same.
I don't know what the problem is. The battery? USB port?
With Ampere app, it shows like 70-100mah when charged and -210 mah of discharge when no plugged. It is normal?
Help me guys ?.
Click to expand...
Click to collapse
That is incredibly strange. Have you tried charging when the phone is off? What charger are you using, does it specify output amperage and voltage?
I have found mine to be very sensitive, as well as my Moto X Play. They seem very dependent on the cable as well. I'm currently using Anker cables with my phones and haven't had any trouble.
I'm used different chargers. A original Nokia charger with 550mah (very very very slow). Original iPhone charger with 1A (very slow). Original LG charger with 750mah (very slow). Generic charger with two ports, 1A and 2.1A but works better with 1A port; the same, very slow. All with 5V.
I charged with the phone off and the same, very slow. And the problem persists when you used while is charging; it's like the phone just don't charge, the battery still drain (fast) but the battery icon shows the charging icon.
I used a Samsung cable as well as the LG cable.
i also dont know whats happening while recharging. with my different solutions, via adapter plus cable or a 'native' recharger (all up to 5V/2A) my moto just recharge up to a maximum value of 350ma/h.
and this without any real consumption.
I think that the USB port is damaged. Or maybe the battery.

Quick charge 3.0 on Samsung fast charger

Hi, just bought a mi max 2 and wanted to know if the charger the reseller supplied me would charge at qc 3 speeds. Is there an app that will show this information? Thanks
No, you don't need an app. If it came in original box and packaging, the supplied charger should be the original and QC 3.0 certified one. Also, to see if your phone is using QC or not you can see that on the status bar, the charging icon should be other in different charging methods. The screenshot I uploaded will show the icon when the phone is in Quick Charge.
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Hi, they took the original charger out and supplied me with a new Samsung one that fits my nz/au wall socket. It does come up with that symbol when I plug it in but I don't know if it's qc 1 2 or 3? Thanks
arthurthompson said:
Hi, they took the original charger out and supplied me with a new Samsung one that fits my nz/au wall socket. It does come up with that symbol when I plug it in but I don't know if it's qc 1 2 or 3? Thanks
Click to expand...
Click to collapse
Make me a photo of the charger with all details and I will tell you if it supports QC 3
Samsung EP-TA20HWE, 5v 2a, adaptive fast charging
arthurthompson said:
Samsung EP-TA20HWE, 5v 2a, adaptive fast charging
Click to expand...
Click to collapse
No, this is not a QC 3.0 charger. It supports only up to QC 2.0. You can also see that by the voltage output it supports. QC 3.0 charging is using up to 12V, while QC 2.0 only 9V, same like yours.
Yes
Yes that should fast charge but only at QC 2.0 Speeds you phone you look for the voltage 9v=qc2.0 12v=qc3.0
OK thanks, it charges fast enough for me but I heard that qc 3 was easier on battery wear. Is this true? I was thinking of buying this one but not sure if it's original:
https://m.gearbest.com/chargers-cables/pp_1488804.html?wid=1433363#
arthurthompson said:
OK thanks, it charges fast enough for me but I heard that qc 3 was easier on battery wear. Is this true? I was thinking of buying this one but not sure if it's original:
https://m.gearbest.com/chargers-cables/pp_1488804.html?wid=1433363#
Click to expand...
Click to collapse
You don't need to bother yourself searching for an original Xiaomi charger. Buy some QC certified one like Anker, Aukey, etc...

Mate 40 pro wireless charging problem

I have the device for a week now and i have the huawei 40w wireless charger but when i charge the phone with it, it only charge 27w and I'm using the charger and the cable that came with the phone
Any solutions??
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Are you sure that charger is 40w??
Shymmy said:
Are you sure that charger is 40w??
Click to expand...
Click to collapse
Yes
Does the maximum charge of 27w show it no matter what the battery level is ??
Did you try to uncheck the smart load ?? Does it have any effect ??
They don't show them the maximum load level at all ...
See the 3rd video, the load level shown on the instruments ...
LE: And the last, more accurate on details.
Shymmy said:
Does the maximum charge of 27w show it no matter what the battery level is ??
Did you try to uncheck the smart load ?? Does it have any effect ??
Click to expand...
Click to collapse
I tried at different battery percentages and it says only 27w and i unchecked the smart load and still no effect
I don't know if it's a problem with the charger or the phone
Watch the last 2 videos, probably this is the way if charging ... 40w only on the lowest level ...
Shymmy said:
Watch the last 2 videos, probably this is the way if charging ... 40w only on the lowest level ...
Click to expand...
Click to collapse
I guess the last video means that it should be below 30% battery percentage
I will give it a try and see what happens
Will probably charge with 40w between 0-20% ... I would say, however, 0-15% ...
Shymmy said:
Will probably charge with 40w between 0-20% ... I would say, however, 0-15% ...
Click to expand...
Click to collapse
I agree with you, I think they managed it to prevent the heat due to 40w and it's actually not that bad even when charging at 27w, i hope we find a way to install gms soon
As I just said on another topic, without GMS I only need a NFC payment banking application ... in my way of using the phone.
That doesn't mean I don't want GMS on this phone too ...
The reason may be that your wire is not the good one (e.g. bad connection, or not original wire, bad quality wire)
don't worry guys, i tested by myself the CP62 will give you 40W wireless charging even it only show 27W max. i use a usb tester and it shown 38W when i have around 70% power left in my phone. I'm using the 66W charger which came with my mate 40pro and CP62 wireless charging stand, the black color one. i think it will shown on screen 50W charging if you use CP62R.

No fast charging after flashing Lineage os?

Hi guys.
I have just starting to play with my i3113 today. I unlocked bootloader, flashed latest twrp and lineage os 18.1. After plugging to my fast wall brick it says "slow charging" and shows over 5chours to be fully charged from 47% to 100%.
Before I flashed lineage it used to take just little over 1 hour from empty to full.
Im using same charger for my two phones and my daily s10e is charging blazing fast with it, so that cant be brick or cable issue.
Does anybody faced same issue managed to fix it?
Thanks in advance.
I've never heard someone having that kind of problems on Lineage considering fast charging. Fast charging is a hardware capability so I don't really know whether certain ROM can influence it.
Youre probably right mate. But my charging speed dropped down a lot. What about kernel? Does ot have any influance on charging?
Same thing happened to me. I have a Redmi Note 7 and when I install the same ROM. It doesn't let me fast charge anymore
energy_drink said:
Youre probably right mate. But my charging speed dropped down a lot. What about kernel? Does ot have any influance on charging?
Click to expand...
Click to collapse
Yes, it does. The kernel controls charge rate. The question is, "is it configurable?" That depends on the choices made by the person who built it.
I found this while searching for a solution to my problem with a 19.1 GSI I just flashed .
According to the LineageOS Device Support Requirements ( https://github.com/LineageOS/charter/blob/master/device-support-requirements.md ):
All devices MUST NOT implement forced fast charge over USB methods that violate the USB specifications.
Click to expand...
Click to collapse
Perhaps the charger in question was not following the USB specification strictly, or something like that.
I think that I can charge my i4113 with LineageOS 19 (Android 12) in like 2h - using a 10W-or-so charger (only estimates, as I don't have the charger around). I usually use a slower charger overnight though, as this is less stressful for the battery.
Also, the predicted total charge time is only estimated, perhaps the real charge time would have been shorter.
hi, i had same problem,my phone: xiaomi poco F3, i have slow charging on original charger and cable, before changing firmware, fast charging work as expected, i have usb tester that show ~5.17V and ~1.47A
also what is interestet is that, when i connect phone truth usb tester, my phone change status from slowly to fast charging, but fast charging not happens
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@Connected201 You may have more luck with a charger with a USB-C socket and a USB-C - USB-C cable.
Also, the remaining charge time as predicted by the phone is only an approximation and may be wrong. After performing a battery calibration ( https://www.ifixit.com/Wiki/Battery_Calibration ), the prognosis should be more reliable.

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