-Ad-Update: I switched from the iPhone 16 Pro Max to the Samsung Galaxy S25 Ultra and the Safaricom eSIM works perfectly. Here’s a detailed recount of everything I encountered, from the application process to using the Safaricom eSIM on our device. USSD disruptions Whenever one network was in use (e.g., Airtel for a USSD transaction), the other network (Safaricom) would often lose connectivity. Whenever one network was in use (e.g., Airtel for a USSD transaction), the other network (Safaricom) would often lose connectivity. All the same, I think eSIMs ought to be easily transferable, and that’s not working with the Safaricom eSIM.