Procedure for Unlocking a SIM Lock

If you, for example, wish to use your DOCOMO mobile phone with another carrier's SIM card inserted while overseas or in Japan, the procedure to unlock the SIM lock of your DOCOMO mobile phone or other device needs to be performed. See the information about the items you need for the procedure.

Procedure for Models Released in or after May 2015

Information about the items you will need for the procedure to unlock the SIM lock of a mobile phone or other device released by DOCOMO in or after May 2015.
Even if you purchased the mobile phone or other device in or after May 2015, you need to check the procedure for models released between April 2011 and April 2015 if DOCOMO began selling that model between April 2011 and April 2015.

Compatible models

Information on the models compatible with SIM lock unlocking among models released in or after May 2015 and the compatible frequency bands by model.

PDFModels Compatible with SIM Lock Unlocking and Compatible Frequency Bands [PDF format:371KB] (in Japanese only)

Procedure for Models Released between April 2011 and April 2015

Information about the items you will need for the procedure to unlock the SIM lock of a mobile phone or other device released by DOCOMO between April 2011 and April 2015.

Compatible models

Information on compatible models incorporating the SIM lock unlock function among models released between April 2011 and April 2015.

Models Compatible with SIM Lock Unlocking (in Japanese only)


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