..  _firmware_from_v1:

Change from SDK 1.x to 2.x
===========================

To replace the SDK version 1.x to 2.x, need to:

1） Install SDK 2, Check the :ref:`sdk` .

2） Upgrade firmware to 2.x version，Check the :ref:`firmware` .

3） After launch the SDK 1.x , the image calibration parameters will be saved in ``<MYNTEYE_SDK_ROOT>/settings/SN*.conf`` .Please check the :ref:`write_img_params` and write ``SN*.conf`` into the devices.
