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What should I do if the oppo SMS center number cannot be changed?

Xiao Bu has compiled the following methods for setting the number of SMS center for you:

Version 1, ColorOS 1 1 and above: enter "Information >; Click the ":"icon in the upper right corner > Settings > Advanced Settings > Information Center Number.

2. ColorOS version 7.0-7.2 model: enter "information >"; Click the ":"icon in the upper right corner > Settings > More Information Settings (Advanced Settings) > Information Center Number.

3.ColorOS version 5.0-6. 1 model: open the phone "Settings >"; System application > information > more information settings > select and click the card to be viewed (this operation is not required for a single card) > information center number.