Battery issues after update 19.20

Question

After updating my Fenix 6X to version 19.20, my battery is draining extremely fast. I took my watch off the charger at 0600 this morning with 100% and by 1400 it was already down to 70% charge. Before the update I would maybe be at 97%. I haven&rsquo;t even used the device to track any activity, listen to music, and my pulse ox is turned off.

gaijin · Answer

mcalista said: Yes, a power down, then if necessary a reset should be the first things to do after an update. 
 I agree completely with this. 
 Additionally, in regards to this particular 19.20 update, I noticed an increase in battery life after the most recent update to the Garmin Connect Mobile App on my phone - Version 4.47.0.27 on iPhone. 
 Maybe with all the new features Garmin Connect was communicating too much with the watch, thus causing decreased battery life? And maybe this most recent GCM update has dialed back on this and as a result increased watch battery life? 
 That's a lot of maybe's and supposition, but a GCM update couldn't hurt - might even help. 
 HTH

KenMar · Answer

Cumon guyz, battery drain is either faulty device battery or apps/widgets still running that deplete the battery. 
 I'm currently using FW 20.00 and noticed no exceptional battery drain no matter what FW version I use. 
 I run a watch face called GLANCE, I generally only use 3-4% battery a day when running no additional widgets or apps. 
 https://apps.garmin.com/en-US/apps/07ae0f49-7240-4475-a229-4507e8035fae 
 After using GOLF app, I shutdown by pressing LIGHT for at least 7 seconds, recharge to 100% and loose around 3-4% per 24 hours. 
 Try GLANCE, best WF available and it's continually being UPDATED and IMPROVED. Please DONATE.. 
 Cheerz ;^)

Danielsson88 · Answer

I finally solved my battery issues. Posted more information here: 
 https://forums.garmin.com/outdoor-recreation/outdoor-recreation/f/fenix-6-series/290216/how-i-fixed-my-insane-battery-drain-2---5-per-hour-down-to-0-3 
 
 I hope it helps someone else!

gaijin · Answer

Jambo69 said: Yesterday I received an email from Garmin asking me to upgrade to the latest 19.20 firmware which should resolve my problem. 
 I'm curious why Garmin would recommend "upgrading" to a software version that is currently out of date. The latest software version is 20.30. Have you tried the latest software version?

SoLongAndThanksForAllTheFish · Answer

Garmin help always seems almost nonexistent in my experience, so its good they are offering to replace the watch. At least try this first though if you dont want to replace it. This has always worked for me, including it appears this time, (my watch battery life is back to about 7 days now). It seems silly, but make sure you update your app on the phone, garmin IQ and then reboot your phone and your watch. Make sure your phone also has all updates, reboot if necessary, then re check app and garminIQ app and check update if anything is there again (there hasnt been for me, but may be possible for some). Reboot phone and watch again. Watch battery burn to verify if there is a change, if its still burning through battery too quickly, reboot watch and phone again. 
 Now this time the above worked several times after updates in the past, but did not work after trying this a couple times and watch kept hanging on loading maps. Finally the last time while it was still on loading maps I pressed buttons on the watch until a screen popped where I had to select "YES" or no to reset watch settings. Its very annoying to have to do this and then reset what you want on it, but I was not successful in getting it to normal drain until last reboot when I said yes to reset settings. Mine seems to be almost normal now, I'm at 59% day 3 today starting at full charge 3 days ago, so pretty much normal. Ofc PulseOx at 91% is still laughably bad, VO2max absurd, but hey, its back to "normal". 
 I would ignore all the very commonly suggested conjectures about setting bluetooth off/on, turning PulseOx off, etc etc (unless you've monkeyed with these before the drain problem). I have been through this 4x at least without having to turn off any of that, and NEVER was there a change set in any of these before it acted funny and drained fast. And never have any of these ideas helped when I did try them. The only change every time was an automatic applied update before the fast drain started. Every time repeated rebooting and checking worked, this time additionally I had to select yes to reset watch settings, but I'm back to normal battery drain now. I'm guessing this is to do with sloppy update programming which fails to reset certain variables that are now read differently after update, and the rebooting over and over eventually resets them.

formfaktor · Answer

Congrats on starting a monster thread :) and exposing serious issues with Garmin when it comes to know knowing if their issue is hardware or software related. I hope you got your issue fixed? 
 Either way, sorry to enter the fray, but I had the same issue for 2 days straight after autoupdate to v20 and I don't anymore. 
 What I did was to use Garmin Express to update my maps, which is something I have never done before because I never need them. Also, Express said it couldn't synch two of my .fit files, so I deleted them manually. Charged it back to 100% and first it didnt drain at all for almost 10h, now it is back to a typical 0.3%/h rate. Hope this may help anyone who is still dealing with this. Also apologize if this was already suggested, but I didn't feel like wading through 45 pags of thread! 
 Happy days!

formfaktor · Answer

Congrats on starting a monster thread :) and exposing serious issues with Garmin when it comes to know knowing if their issue is hardware or software related. I hope you got your issue fixed? 
 Either way, sorry to enter the fray, but I had the same issue for 2 days straight after autoupdate to v20 and I don't anymore. 
 What I did was to use Garmin Express to update my maps, which is something I have never done before because I never need them. Also, Express said it couldn't synch two of my .fit files, so I deleted them manually. Charged it back to 100% and first it didnt drain at all for almost 10h, now it is back to a typical 0.3%/h rate. Hope this may help anyone who is still dealing with this. Also apologize if this was already suggested, but I didn't feel like wading through 45 pags of thread! 
 Happy days!

NDelic · Answer

I can confirm that this has fixed my problem (I had insane drain, like 5% per couple of minutes of activity): forums.garmin.com/.../100-discharge-in-less-than-12-hours-after-installing-fw-4-1 
 After deleting GarminDevice.xml and restarting the watch everything is tip top.

Battery issues after update 19.20

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