Samsung Galaxy Watch4
- https://www.samsung.com/us/support/downloads/?model=N0054975&modelCode=SM-R870NZKAXAA
- https://www.gsmarena.com/samsung_galaxy_watch4-11045.php#44-mm
- update changelog: https://doc.samsungmobile.com/SM-R870/XAA/doc.html</https://doc.samsungmobile.com/SM-R870/XAA/doc.html>
model #: (your model #)
S/N: (your serial #)
wifi mac (your wifi mac)
- 44mm model SM-R870 should be good for most people
- 40mm model might be better for tiny people (some Asian females, youths, etc.)
Koelin Silicone Fashion Band
- recommended watch band in online threads
- fits smaller wrists better than stock band
- more breathable and more flexible
- https://www.amazon.com/gp/product/B09KNQ682S?ref=ppx_pt2_dt_b_prod_image&tag=xdaforum01-20
Apps Needed on Phone
- should work on any brand phone
- Samsung Galaxy Wearable
- Samsung Galaxy Watch4 Plugin
- Samsung Health
- Wear OS by Google is NOT needed
Shop for Watch Apps
- non-Samsung watch faces do not support the full range of Samsung-specific "complications" such as health info
- "complications" are locations on watch faces that can be configured to contain various widgets/info, such as date, temperature, etc.
https://play.google.com -> Shop -> Categories -> Watch apps
Boot to recovery
- press and hold both keys to reboot
- keep holding keys
- after reboot when logo appears release both keys and quickly press upper key 3 times
Developer Mode
Settings -> About Watch -> Software -> tap ‘Software version’ multiple times
ADB
- turn off Bluetooth in Settings -> Connections
- enable ADB and ADB wifi in Settings -> Developer Mode
- IP address will be displayed when connected
adb connect 192.168.0.60:5555 # 192.168.60.5555 is the watch id
- must accept the connection on the watch
- disable ADB when not in use (causes battery drain)
Unrestricted Samsung Health Monitor
- https://forum.xda-developers.com/t/restrictions-removed-samsung-health-monitor-wearos-1-1-1-171-root-age-country-device-restriction-removed-22nd-november-2021.4322527/
- install one mod on phone, one on watch
- mod is independent of OTA updates
- removes various restrictions including device, country, root detection, age, lock screen requirement, blood pressure and ECG, and update requirement
- online Samsung Health account sync doesn’t work with mod, so consider periodically exporting health info from app
Setup phone:
adb devices # get phone id
adb -s <phone id> install Phone.WearOS.SHM.MOD.1.1.1.171.dante63.apk
- download, extract SamsungHealth.zip
- copy to phone (must go in this location, never delete it):
adb -s <phone> push SamsungHealth /storage/emulated/0/Download/
- force stop Samsung Health, then open it, open Settings -> About Samsung Health -> tap on the version multiple times until ‘Set Features’ is enabled
- in ‘Set Features’ switch to DEV in ‘Health Analytics’, inside DataPlatform turn on Developer Mode.
- when exiting Set Features force stop Samsung Health, clear cache
Setup watch:
adb -s <watch id> install Watch4.SHM.MOD.1.1.0.185.dante63.apk
adb -s <watch id> shell pm uninstall -k --user 0 com.samsung.android.shealthmonitor
- disable ADB when done (drains battery)
to restore original SHM:
adb -s <watch id> shell pm install-existing com.samsung.android.shealthmonitor
Google Assistant Go
https://forum.xda-developers.com/t/official-list-of-sideloaded-apps-for-galaxy-watch-4-gw4.4379825/
- Google’s voice assistant
- some people prefer over Samsung Bixby
- to remove the blue bar at the bottom of the screen must temporarily lower the screen density (see below)
adb -s <watch id> install com.google.android.apps.assistant_2.8.0.346747673.armeabi-v7a.release-7002_minAPI26\(armeabi-v7a\)\(nodpi\)_apkmirror.com.apk
Get rid of the bottom blue bar
- open Google Assitant Go on watch
adb -s <watch id> shell wm density # display the default display density (340) wm density 200 # makes text smaller, increases display space
click the text on the bottom right in the blue bar, then click through to next page. bar should never appear again.
wm density reset # reset to default (340)
Functions
- Make quick phone calls on the go (“Call Nolan”)
- Send text messages (“Text Amanda I am running late”)
- Play music (“Play some renaissance lute music on YouTube”)
- Navigate places (“Get me directions to the nearest organic food store”)
- Store info ("When does Target on Main St. open?")
- Preview your upcoming events (“Tell me about my day”, "When is my next event?")
- Weather information (“Do I need an umbrella today?”, "What is the weather at (location)?")
- Answers (“How tall is the Saint Louis Arch?”)
- Calorie info ("How many calories in a quarter cup of black rice?")
- Cooking info ("How long to soak lentil beans?")
- Health info ("How many calories burned in two mile run?")
- Scientific info ("What are the group 2 elements in the periodic table?")
- Math ("What is 15% of 26.51?")
- Sci-fi ("How many races in the v-o-t-a-n-i-s collective?") unknown words must be spelled out
Debloat List
- https://forum.xda-developers.com/t/debloat-galaxy-watch-4.4324147/
- list of potential apps that could be uninstalled or disabled
- removing any of these, even ones that seem unimportant, can cause serious issues
pm uninstall -k --user 0 <app> com.samsung.sree # 'Global Goals' app com.samsung.android.watch.watchface.myphoto com.samsung.android.watch.watchface.mystyle com.samsung.android.watch.compass com.samsung.android.watch.weather com.samsung.android.messaging com.samsung.android.watch.watchface.basicclock com.samsung.android.bixby.agent com.samsung.android.watch.watchface.simpleclassic com.samsung.android.watch.watchface.dualwatch com.samsung.android.samsungpay.gear com.samsung.android.app.reminder com.samsung.android.watch.watchface.together com.samsung.android.watch.watchface.typography com.samsung.android.watch.watchface.large com.samsung.android.watch.watchface.animal com.google.android.apps.maps com.samsung.android.watch.watchface.aremoji com.samsung.android.watch.watchface.analogmodular com.samsung.android.watch.watchface.emergency com.samsung.android.watch.watchface.simpleanalogue com.google.android.apps.wearable.retailattractloop com.samsung.android.bixby.wakeup com.samsung.android.watch.watchface.bitmoji com.android.providers.userdictionary com.samsung.android.watch.watchface.superfiction com.samsung.android.watch.worldclock com.samsung.android.watch.watchface.endangeredanimal com.samsung.android.watch.watchface.analoguefont com.samsung.android.watch.worldclock com.samsung.android.watch.cameracontroller com.samsung.android.watch.watchface.simplecomplication com.samsung.android.watch.watchface.digitalfont com.samsung.android.watch.watchface.digitalmodular com.google.android.marvin.talkback com.samsung.android.wearable.music com.samsung.android.watch.watchface.weather com.samsung.android.watch.watchface.healthmodular com.samsung.android.watch.watchface.livewallpaper com.google.android.wearable.assistant com.samsung.android.watch.watchface.basicdashboard com.samsung.android.video.wearable
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