On August 7, 2026, Airtel Kenya, the country’s second-largest mobile operator, suffered a major network outage that left vast numbers of users seeing "No Signal" or "Emergency Calls Only" on their devices, with all voice calls, SMS and mobile data services knocked out. Complaints began surging at around 11 a.m. and peaked at 1 p.m. Airtel has not issued any official explanation for the incident.
The outage hit the A2P SMS ecosystem particularly hard. Airtel holds roughly 8.4% of Kenya’s SMS market, meaning hours of widespread network failure prevented delivery of huge volumes of enterprise SMS reliant on its network — including OTP verification codes, transaction alerts and logistics notifications. For businesses and users that depend on SMS for critical processes such as identity verification and payment confirmation, the outage triggered cascading impacts: locked accounts, failed transactions, and missed important notifications, among others.
One Airtel Premier high-tier user provided a detailed account of their experience: with their phone showing "Emergency Calls Only", they could not make or receive calls, send SMS, or use mobile data. When they logged into the Airtel app via Wi-Fi, their airtime balance was visible at first, but the Airtel Money section soon began returning error messages. Since the alternative way to check funds — dialing *334# — also requires a network signal, the user was stuck in a situation where they had money but could not access it. The user added that this was the second time they had encountered the same problem: back in March 2017, the same SIM card lost service without warning, and after days of complaints and a SIM replacement at a service center failed to reactivate it, the issue was only resolved when Airtel’s Indian headquarters intervened via Twitter. The recurrence of the identical fault nine years later exposes deep-seated problems with Airtel’s customer service and network infrastructure.
This incident is far from isolated. According to consumer survey data released by the Communications Authority of Kenya (CA) in December 2025, 19.4% of Airtel users experience more than 5 dropped calls for every 100 calls made, while another 33% report 3 to 5 dropped calls — both figures are the highest among all Kenyan operators. The CA has previously issued warnings to Airtel over network coverage issues. In the CA’s latest quality of service assessment published in May 2026, Airtel’s overall score dropped from 83.3% to 81.14%, showing a clear downward trend. The CA plans to raise the compliance threshold from 80% to 90%, which will subject Airtel to stricter assessments and potential fines.
For A2P SMS service providers, this incident serves as a wake-up call: operator network stability cannot be taken for granted. When operating A2P SMS services in Kenya, providers should establish multi-channel backup delivery mechanisms to avoid over-reliance on a single operator’s gateway. They should also closely monitor the quality of service reports released by the CA and factor operator network performance into their gateway selection criteria as a key consideration, in order to minimize the impact of network outages on SMS delivery rates.
