Скачать или смотреть Itel A70 Wifi Bluetooth Gps Problem Solution

If your Itel A70 WiFi, Bluetooth, or GPS is not turning on, keeps disconnecting, or fails to search/connect, this is a hardware-level issue. This video walks you through a complete 30-step repair guide to troubleshoot and fix problems related to WiFi module, antenna lines, Bluetooth IC, and GPS circuit on the Itel A70. Follow each step carefully to restore full connectivity features on your device.

📡 Common Connectivity Issues
WiFi won't turn on

Bluetooth keeps disconnecting

GPS not detecting location

Device stuck at "Turning on WiFi..."

MAC address shows null or 02:00:00...

🧰 Tools Required
Digital Multimeter

Hot Air Station

Soldering Iron

Microscope

IPA Cleaner

Jumper Wire

Schematic (optional)

🔧 30 Step-by-Step Instructions
Power off the Itel A70

Remove SIM tray and back panel

Disconnect the battery

Locate WiFi/Bluetooth/GPS chip on motherboard

Clean area with IPA to remove oxidation

Check antenna connector & lines for damage

Re-solder or replace antenna jack if loose

Test WiFi power supply line (usually 1.8V/3.3V)

Check Bluetooth power line

GPS power (V_GPS) usually = 2.8V or 1.8V

Use diode mode to test all RF lines

Reflow WiFi/Bluetooth combo IC gently

Replace RF IC if reflow doesn’t work

Check clock & enable signals from CPU

Confirm communication lines (I2C/SPI) continuity

Measure crystal oscillator output

Replace crystal if not oscillating

Test voltage on RF filters

Replace broken RF capacitors/resistors

Clean RF shielded area and retest

Try external antenna for testing

Use ##4636## to test MAC & connectivity

Check GPS antenna track continuity

Test antenna switch IC if present

Flash latest stock firmware if hardware is OK

Reconnect battery and power on

Test WiFi and Bluetooth toggle

Use Google Maps to verify GPS lock

Confirm stable signal and connection

Done — Itel A70 wireless issues resolved

📢 Hashtags
#ItelA70
#WiFiProblem
#BluetoothFix
#GPSNotWorking
#MobileRepair
#ItelRepair
#WirelessFix
#ConnectivityIssue
#PhoneRepair
#HardwareSolution