Look at this company. They sell a overpriced SIM for wordwide use. Google Fi and freemobile are much cheaper
https://androidcommunity.com/hmd-connect-is-a-new-hassle-free-travel-data-sim-20200321/
freemobile is a good operator from france which allows to roam also worldwide in this countrys
https://prepaid-data-sim-card.fandom.com/wiki/France
Here are the countrys
25 GB of 4G/LTE roaming data on top of your monthly national allowance, in many destinations:
https://androidcommunity.com/hmd-connect-is-a-new-hassle-free-travel-data-sim-20200321/
freemobile is a good operator from france which allows to roam also worldwide in this countrys
https://prepaid-data-sim-card.fandom.com/wiki/France
Here are the countrys
25 GB of 4G/LTE roaming data on top of your monthly national allowance, in many destinations:
- Europe: all EU & EEA countries, Channel Islands, Isle of Man, Switzerland, Ukraine, Serbia, Montenegro, Belarus, Macedonia.
- Middle East: Israel, Turkey, Armenia, Georgia.
- Asia: Russia, China, India, Pakistan, Kazakhstan, Uzbekistan, Malaysia, Sri Lanka, Bangladesh, Thailand.
- Africa: Algeria, Tunisia, South Africa.
- Oceania: Australia, New Zealand.
- America: Canada, USA, Mexico, Brazil, Argentina.