Sharp SHG01 Notes On Usage page 28

● Never use the modified product. Use of a modified device violates the
Radio Law and/or the Telecommunications Business Law.
You can perform the following operations to confirm the unique
authentication and standard marks (including certification/authentication
numbers) for the product.
On the home screen → "App list screen" → [Settings] → [About phone]
→ [Authentication].
The product has acquired the certification of conformity with technical
regulations for the specified radio station based on the Radio Law and
certification of conformity with technical regulations for the terminal based
on the Telecommunications Business Law, and the "Technical Conformity
Mark " can be confirmed in the au phone as a certificate. Confirm
contents of electrical certificates in the product for information on
certification.
If the modifications are made to the internal components, the certification of
conformity with technical regulations will become invalid. Never use the
product without the valid certification. Doing so violates the Radio Law and/
or the Telecommunications Business Law.
● Take care not to place magnetized items such as magnetic cards, speakers
and TV sets near the product, as it might cause malfunction.
Putting strong magnetism close to the product might cause false operation.
● Do not bring the product close to magnetic cards such as cash cards,
credit cards, and prepaid cards. Doing so might result in loss of recorded
information.
● When you put the product in your pocket or bag, take care so that the
display does not come in contact with metal objects or other hard objects,
as it might cause scratching or damage.
● When suddenly brought into a warm place from a cold place, or when in a
humid location, or when used where temperature suddenly changes (e.g.
near the air discharge port of an air conditioner), water drops (i.e.
condensation) sometimes are formed inside the product. Note that when
used under conditions such as this, humidity might cause corrosion or a
fault.
● Do not exert excessive force when attaching/removing a microSD memory
card. Doing so might injure your hands or fingers.
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