4 chains merged

The Messenger of Allah (ﷺ) raised his hands apposite his ears at the time of reciting the takbir (i. e. at the time of beginning the prayer) and then again raised his hands apposite the ears at the time of bowing and when he lifted his head

When the Messenger of Allah (ﷺ) began prayer, he raised his hands up to his ears, then he did not repeat.

When the Messenger of Allah (ﷺ) began his prayer, he raised his hands extensively.

"I saw the Messenger of Allah (ﷺ), when he started to pray, raise his hands, and when he bowed, and when he raised his head from bowing, until they were parallel with the top of his ears."