What Does USSD Code *#9900 Do on Samsung Phones?

Learn how to use USSD code *#9900 on Samsung devices for system tasks. Important tips for advanced users inside.

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#9900 is a USSD code used on certain Samsung phones to access a system dump mode. This mode helps users perform various system-related tasks such as freeing up space by deleting log files or debugging issues. Use this with caution, as it is meant for advanced users and can affect the phone's performance.

FAQs & Answers

  1. What can *#9900 be used for on a Samsung phone? The *#9900 USSD code accesses a system dump mode for tasks like freeing space and debugging.
  2. Is using *#9900 safe? It is meant for advanced users; caution is advised as it can affect your phone's performance.
  3. How do I access *#9900 on my Samsung? Simply dial *#9900 from your Samsung phone's dial pad to enter the system dump mode.
  4. What should I avoid when using *#9900? Avoid deleting important logs or making changes if you're unsure of their impact on your device.