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Same here. Usually I don't notice battery drain after updates as much as others report, but I'm clearly noticing an extreme difference. I'm talking going from 55%+ by the end of a long day to 10% remaining. I keep checking my watch display to see if it is stuck or if winter long sleeves are activating it more frequently.
Literally the same. I’ve never noticed significant difference between OS updates but with 6 it’s been crazy. I used to be able to get always 2 days sometimes 3 or a little more on a charge. Now I barely make the day
Same for me with my Series 3. Before watchOS 6 I had like 55% battery left in the evening when I went to bed after a full day including about 1,5h workout. Now I usually get a battery warning in the evening or even have to charge it for 15min before I start my workout after work. It can only get better from here!
 
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Literally the same. I’ve never noticed significant difference between OS updates but with 6 it’s been crazy. I used to be able to get always 2 days sometimes 3 or a little more on a charge. Now I barely make the day
I always get over two days. Series 3 LTE model. Maybe an app is the issue rather than the OS.

I don't have any apps installed, except the standard Apple ones.
 
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seen a problem with my watch since the update this morning - always had my brightness set at 1 but it's seems to be on 3 and when changing the actual brightness on the settings it's not changing brightness levels at all! Anyone else noticed this?
 
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Why can’t I update with a data connection? Why is Wi-Fi necessary?
I suspect it's for the same reason that they say you have to put it on a charger - reliability. If they require the charger and a 50% charge, it gets rid of problems with running out of power in the middle of updating. WiFi overall (not necessarily your situation but in general) is much more reliable and trustworthy than cellular. If they allowed people to update over cellular, they'd have more customers coming in with watches that got bricked because the connection dropped (or they ran over their data limit and the carrier cut them off, or whatever). That would lead to more expense for them as well as more unhappy customers. So, the charger and WiFi are precautions.
 
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Battery life on my S5 doesn't seem so great either. It came off the charger at 100% at around 7:30. It's 9:43 and it's already down to 92% and I have done absolutely nothing! No calls. Hardly no notifications. Definitely NOT better. It's only been a day, so we'll see...
 
seen a problem with my watch since the update this morning - always had my brightness set at 1 but it's seems to be on 3 and when changing the actual brightness on the settings it's not changing brightness levels at all! Anyone else noticed this?
I had the exact same problem directly after an update about a year ago. Nothing would shift the full brightness for weeks.
Until one day it just fixed itself!
 
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So, battery life on my S5 cellular is better after two days. I will keep monitoring it, but I have only the watch faces I use now and deleted the ones I don't use.
 
BAD news, battery life is horrendous! I did the update to v6.0.2 and my battery fully drained in 12.5 hours. In version 5, I could get a full 2 days battery and that included 2 workouts monitoring my heart. With 6, it tanked and I turned off pretty much every notification I could find (making the watch not all that helpful), but now it's just eating battery by the minute. I just watched it go down a full percent in a 2-minute timeframe. What is going on!? I do believe they turned on a whole bunch of notifications with the update because I never use Apple maps and today it creepily popped up telling me how long it would take to get to work.

I just saw a tip to unpair and pair the watch again, so hopefully that helps.
 
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Any issues with Activity tracking with new OS on S5 or any series? My activity tracking is way off since update on Tuesday. I played at least 20+ mins of full court basketball, sat on bench for maybe 5 mins of that yet it said I only did 12, with heart track unavailable (tracking for bball has been good prior), I just did a keelo fit workout that the app recorded 8 mins of workout to the watch, yet it gave me 25mins on the activity ring?? I hope its not my watch and just the update....
 
Any issues with Activity tracking with new OS on S5 or any series? My activity tracking is way off since update on Tuesday. I played at least 20+ mins of full court basketball, sat on bench for maybe 5 mins of that yet it said I only did 12, with heart track unavailable (tracking for bball has been good prior), I just did a keelo fit workout that the app recorded 8 mins of workout to the watch, yet it gave me 25mins on the activity ring?? I hope its not my watch and just the update....

Is your calorie count off?

My activity workouts have been acting very odd the last few days which I think is ever since the new watch os update was released. In the gym it use to take me between 90-110mins to burn 1000calories.
The last few days it’s taken me over 2hrs-2hr 30.

I have noticed the heart rate monitor the last few days is struggling to pick up my heart rate as regular as it use to, so that means the calories burned is not accurate, I know I am burning more calories than the Apple watch says I am. I can understand if I am doing a fast sprint then the arm movement may cause the Apple watch to move allot and struggle to pick up my heart rate but I was doing a light jog yesterday and it wasn’t picking up my heart rate. The watch is always nice and snug to my wrist.

I don’t no if my heart rate sensor is dodgy or it’s the new watch os update!

Hoping it’s the watch os update as I don’t really want to send my watch off to Apple!
 
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100% same experience. I’ve gone as far as turning every notification off and as much options as I can. I just leave text and a few essentials enabled but it’s just terrible.
Agreed the battery on my series 5 has just got worse and worse, last Apple product I buy, as soon as my iphone 11 and series five ate up for renewal I’m jumping ship to Android and I will install lineage and buy another ecg watch
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Is your calorie count off?

My activity workouts have been acting very odd the last few days which I think is ever since the new watch os update was released. In the gym it use to take me between 90-110mins to burn 1000calories.
The last few days it’s taken me over 2hrs-2hr 30.

I have noticed the heart rate monitor the last few days is struggling to pick up my heart rate as regular as it use to, so that means the calories burned is not accurate, I know I am burning more calories than the Apple watch says I am. I can understand if I am doing a fast sprint then the arm movement may cause the Apple watch to move allot and struggle to pick up my heart rate but I was doing a light jog yesterday and it wasn’t picking up my heart rate. The watch is always nice and snug to my wrist.

I don’t no if my heart rate sensor is dodgy or it’s the new watch os update!

Hoping it’s the watch os update as I don’t really want to send my watch off to Apple!
I noticed that about the heart rate monitor too, mine says like 96 for ages then drop to the correct reading, this watch has gone seriously downhill since I bought it a fee months ago, cant wait for a decent competitor to arrive coz I’m off
 
Just a heads up and maybe it will help some of you with the battery consumption. After doing two fresh setups and still getting horrendous battery consumption, I went through and started uninstalling apps on the AW that I just never used.
One or some of them must be the culprit. Previously I tried what others had done with noise detection, Raise to speak, listen for Siri, and that didn’t fix the issue...which I didn’t expect because those things were all on b4 when I had good battery life.

Usually when I setup I just always have it install all the apps but it appears some of those apps are causing the problem. Wish there was a more effective way to identify the culprit(s).
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For what it’s worth, these are the apps I uninstalled on AW...
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Hopefully this helps with battery life. It’s been horrendous on my Series 4 since watch OS 6.

I've got the Series 4 and no problems here. Battery life is exceptional. So maybe check for 3rd-party apps that might be the culprit? Remove any that you don't need?
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Is updating the software harder than it should be? I have a series 3 and a 5. Seems very difficult to get them to both update. Confused? And when you start it on the phone shouldn’t it tell you check an option on the watch or it just sits there forever?

just seems very klugey way to work. Wish it would update over WiFi without needing phone interaction

It will update overnight, so you don't have to do anything. But if you want to update manually, you can initiate it from the watch itself. Settings > General > Software Update. Very simple.
 
I've got the Series 4 and no problems here. Battery life is exceptional. So maybe check for 3rd-party apps that might be the culprit? Remove any that you don't need?
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It will update overnight, so you don't have to do anything. But if you want to update manually, you can initiate it from the watch itself. Settings > General > Software Update. Very simple.

You are exactly right! And those of you who are having trouble try tinkering around with your Apps a little bit. Check and see how many apps are actually running in the background as well as using your location. Weather Apps are notorious for this, they update your location every time you move basically. Also any medical Apps that are not needed they eat battery life as well as those cool mapping widgets! This is quite the solid OS build. And of course this is built to optimize series 4 and 5 of the Apple Watch and tested extensively! It’s not out of the realm of possibilities that Apple Watch Series 3 could experience some battery drain. And unfortunately truth be told it’s a fine line when you are optimizing new hardware by updating the OS and still keeping older hardware as functional as possible. And also remember private developers update their apps to function best under a new OS build. This includes in house Apps. Hope this sheds some light on why some of you may be experiencing trouble from
 
Same for me with my Series 3. Before watchOS 6 I had like 55% battery left in the evening when I went to bed after a full day including about 1,5h workout. Now I usually get a battery warning in the evening or even have to charge it for 15min before I start my workout after work. It can only get better from here!
watchOS 6.2 seems to have done wonders to my battery life. I had 70%ish battery left when I went to bed in the evening two nights ago! Right now, my watch is disconnected from the charger for almost 5 hours and I still have 93% battery left (no workouts, no phone calls - mostly stand by - but that has been way worse with 6.1 etc). So there's some hope!
 
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