your inclusive data volume is up… throttling to 64 kbit/s.
the consuption of data doubles every year, the mobile abo’s evolved as well but there is a gap between the required data volume for services and the availbale mobile capacity, below approximately amount for different services

teams e.g. need for a group websession 1 Mbps, when turn off incoming video it could reduced further for about 75%, tested by myself, round about 1GB per workday

read below some further tipps in different catagories to optimze mobile data consuption
windows
right at your windows10 device, your can select your phone hotspot as a metered connection, cellular data connections are set as metered by default

below you can additionally view data usage per app and set a data limit
chrome android
- at your android enable for chrome browser the lite mode in settings > advanced > turn on lite mode
- data usage of apps and set a capacity limit could be reviewed in settings > mobile network > data warning (depending on android vendor)
- file download, disable in your mail client or chat app the automatic download of media and attachments
- other browser e.g. Brave to use integrated add blocker and enable data compression
- battery saver, when enabled disallow app launch in background and disable push notifications
iOS
with iOS13 there is a new feature called low data mode, enabel in settings > mobile data

also possible to review the volume per app in mobile data and disable unreqired
spotify
reduce consuption for your favourite playlist, choose
- tab start
- tab settings
- tab data saver
- enable it
offline
try plan to use offline apps, while download and store data infront of traveling, read below
offline is the new online
in times like always connected, it could happen – no connection – no fear, here are apps with offline functionality to bridge with google maps – download areas and maps offline, others maps.me, here spotify – offline music in flight mode, required premium subscription amazon kindle – ebooks pay it, download it, read it offline…
… check every app whether it offers a data save option