The clarification follows an online customer inquiry on Wednesday, November 11, 2026, in which a subscriber reported being able to select only the first displayed promotional bundle while subsequent options returned failed selection prompts.
Responding through its official customer support channel, Safaricom apologized for the inconvenience and advised affected customers to restart their mobile handsets before retrying the bundle purchase.
Restarting a mobile device refreshes network registration, clears temporary USSD session caches, and resets SIM toolkit communication with the carrier’s billing and promotional servers—often resolving menu synchronization timeouts that trigger invalid selection errors during peak network traffic.
The telecommunications provider also reiterated that promotional bundles offered through personalized channels such as Tunukiwa are dynamically tailored to individual usage patterns and may update periodically.
In instances where a USSD session remains open too long or experiences a brief network interruption, cached menu numbers may no longer align with active server options.
Should the issue persist after a device reboot, subscribers can alternatively complete their bundle purchases through the mySafaricom App or reach out to official customer care channels for line-specific diagnostics.
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https://peopledaily.digital/business/safaricom-explains-how-to-fix-invalid-choice-error-when-buying-promotional-offers
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