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