DT NO.I DT70 Manual Del Usuario página 59

From the date of purchase, the motherboard is guaranteed for free within
one year, and the battery and charger are guaranteed for half a year.
2. No free warranty is provided for failures caused by the user's personal
reasons, as follows:
1). Failure caused by unauthorized disassembly or modification of the
watch.
2). Failure caused by accidental fall during use.
3). All man-made xuns or due to the third party's fault, misuse (such
as: water in the main engine, external force cracking, scratches on
peripheral components
Damage, etc.) are not covered by the warranty.
3. When requesting a free warranty, please provide a warranty card with
the date of purchase and the stamp of the place of purchase.
4. When the user repairs the product, please take the product to our
company or our company's dealership.
5. All functions of the product are based on physical objects.
Purchase date:
IMEI code:
Where to buy:
Customer Signature: Signature of Store Clerk: Stamp of Store: