How to change size of passcode when device pairs

[Yiwen]

hi!

I am having a BLE peripheral on NRF51822 chip.bute the passcode size is  6-digit ASCII string when ble pairs.can i change size of passcode?such as 4-digit ASCII .How can i do this ?Any help or comment would be appreciated

[Vidar Berg]

Hi,

BLE passkey pairing requires 6 numeric digits according to the bluetooth specification, so it is not possible to change unfortunately. 

[Yiwen]

thanks for your coment.