the inside of the smartphone`s motherboard and tools lay on the back table. the concept of computer hardware, mobile phone, electr

back background call card carrier cell cellphone cellular chip close communication computer concept connection contacts device dial digital electr electronic equipment extract gsm hardware information inside internet lay macro micro microchip microchips mobile motherboard nano network number object operator phone prepaid replacement security service sim simcard smart smartphone smartphones sms speaker table talk technology telecommunication telecommunications telecoms telephone tools wireless