Samsung Galaxy A15 5G with MediaTek Dimensity 6100+ SoC and 50-megapixel triple rear camera unit was launched in India earlier this week. The South Korean smartphone brand now seems like gearing up to unveil a new Galaxy M15 model as a rebranded version of the Galaxy A15. The rumoured Galaxy M15 is said to come with a bigger battery than its Galaxy A series counterpart. The Galaxy A15 has a 5,000mAh battery unit. The preceding Galaxy M14 and…