What is the true about Muhammad?

He was called; before Quran revelation to him; "the honest and the trustful". He was born in Makkah in year 570 AD. Quran was revealed to him by God through the angel Gabriel (or Jibril). Quran reflects real God words revelation to him in its real language (Arabic) without single letter change. He is last God prophet to mankind. He called people to Islam and to worship God as the one and only one God with no partner, no son, no companion, no associate, and no equivalence.

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Answer

Muhammad was titled as the trustful and the honest before Quran God revelation to him through the angel Gabriel. He is God last prophet and messenger assigned, by God and Quran God revelation to him; to call all humankind to worship Allah (God in English) as the one and only one God with no son, no father, no companion, no associate, and no equivalence. Refer to question below.