TechTablets › Forums › Teclast Forums › X98 Pro Forum › Change Bios version 1.64 to 1.62?
why you want to downgrade?
Maybe is not because the bios. Could be from OS
Amper output of your charger?
What I've used and what I've got: TECLAST X98 AIR 3G, TECLAST X98 AIR II, TECLAST X98 PRO,CHUWI HI8, CHUWI HI12, CUBE I9
2-2,5A . <span id=”result_box” class=”” lang=”en”>Before the end of charging shows the charging current and 250mA, and then finishes loading.</span>
I don’t think it is bios related.
There is a voltage drod due to battery resistance
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