Honest Mobile SIM Deal
Uses Three Mobile's Network

Unlimited5G data
£12.50 a monthfor 2 months, then £25.00Price details
1 month contract
Includes roaming in 44 destinations
Uses Three Mobile's Network

Unlimited5G data
£12.50 a monthfor 2 months, then £25.00Price details
1 month contract
Includes roaming in 44 destinations
Honest Mobile runs on Three's network with 4G network across 99% outdoor coverage in the UK, and 5G available in over 400 towns and cities.
Honest Mobile's average download speed on Three's network is 38Mbps. Based on Opensignal's network experience report (September 2024).
Honest offer 5 days of free EU roaming on every trip, up to a 20GB data limit. Extra charges apply outside this.
Your contract
Monthly cost for 1 month (from 1 October 2025)
£12.50
Total cost
£12.50
If your contract rolls over
Monthly cost for 1 month (from 1 November 2025)
£12.50
Monthly cost after discount ends (from 1 December 2025)
£25.00
Some providers set annual price rises to cover predicted changes in service costs. This is usually linked to inflation, but from January 2025 they have to tell you the exact amount upfront.
In our breakdown, we've assumed your first bill will be next month, and your billing date falls after the date any price rises come into place.
Honest Mobile is known as one of the most ethical and environmentally sustainable mobile providers.
It's a carbon negative company that offsets double the carbon footprint cause by your smartphone, and donates 1% of bill revenue to reforestation schemes.