A:Maybe there are 3 reasons i.e. device power-off, weak or none signal, SIM card debts or GPRS service overdue.
A:We will arrange the production after receiving your deposit, usually 30%.
A:After we get contact details, and confirm the samples, you can send us the PO and confirm the order, we will do and send PI for you to confirm.
A:Whatever product you interested, welcome send your information directly to my email, or chat with us online.
A:We charge Sample's fee and the shipping cost, But we'll make a balance or cut down the sample's quantity when you place order in our company.