Get rid of battery anxiety. UMIDIGI BISON 2 | BISON 2 PRO. RAM+ROM ----- BISON 2: 6GB+128GB / BISON 2 PRO: 8GB+256GB. BISON 2 is 6GB+128GB, BISON 2 PRO is 8GB+256GB. BISON 2 Series. Coupled with up to 8GB and 256GB storage combos, BISON 2 is more capable of handling any task thrown at it responsively and speedily.
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