The (uncommon) ability to carry unused data over into a renewed or extended plan period.
Data rollover is rare among short-term travel eSIMs, most of which are designed as one-time, fixed-validity purchases rather than recurring subscriptions. If you're likely to need more data than planned, check whether topping up extends your existing allowance or starts a new validity clock entirely.
4G / LTE
The mobile data standard that provides most of Kenya's everyday browsing, streaming, and navigation speeds.
5G
The newest mobile data standard, currently limited mostly to Nairobi and other major Kenyan cities.
Airtel Kenya
Kenya's second-largest mobile network, strong in cities but with materially less rural and national-park coverage than Safaricom.
APN (Access Point Name)
The network gateway settings a phone uses to connect to mobile data — usually automatic, but sometimes needs manual entry.
Carrier Lock (SIM Lock)
A restriction that ties a phone to a single carrier, which can prevent installing a different eSIM.
Coverage Map
A visual representation of where a carrier's network signal reaches, often shown by strength or generation (4G/5G/3G).