This affordable phone is a step up from the A11, offering NFC, more RAM, and upgraded cameras. Other key features include a large 6.5-inch display with hole-punch design, large 4,000 mAh battery ...

The Seoul-based company has patented the names, Samsung Galaxy A11, A21, A31, A41, A51, A61, A71, A81 and lastly, Galaxy A91. All of these model names are categorised as Class 9 devices ...