• Name Type Board Source Added Size
  • BACK CAMERA 48MP WIDE

    Rear camera schematic for a 48MP wide main camera, PDF of 3.82 MB. The name itself does not state the phone model; the file size matches the Samsung SM-A21s sheets, but…

    Schematic · 3.82 MB · 2 Apr 2026
    Schematic pdf
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    3.82 MB
  • SM-A20S WIFI BT GPS

    Samsung SM-A20S schematic section covering the Wi-Fi, Bluetooth and GPS circuitry, supplied as a 4.63 MB PDF.

    Schematic · 4.63 MB · 2 Apr 2026
    Schematic pdf
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    4.63 MB
  • SM-A20S TOUCH SCREEN

    Touch screen section of the Samsung SM-A20S schematic, a 4.59 MB PDF document. The pages focus on the touch panel connector, its supply and communication lines and the…

    Schematic · 4.59 MB · 2 Apr 2026
    Schematic pdf
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    4.59 MB
  • SM-A20S SIM CARD

    PDF schematic extract for the Samsung SM-A20S showing the SIM card circuit, 4.63 MB in size.

    Schematic · 4.63 MB · 2 Apr 2026
    Schematic pdf
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    4.63 MB
  • SM-A20S ON OFF VOL

    Samsung SM-A20S schematic section for the power (on/off) and volume keys, delivered as a 4.63 MB PDF.

    Schematic · 4.63 MB · 2 Apr 2026
    Schematic pdf
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    4.63 MB
  • SM-A20S NETWORK

    Network (cellular RF) portion of the Samsung SM-A20S schematic in PDF form, 4.63 MB. The pages cover the radio front end, power amplifiers, antenna switches and the…

    Schematic · 4.63 MB · 2 Apr 2026
    Schematic pdf
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    4.63 MB
  • SM-A20S MIC SPK EAR

    Audio section of the Samsung SM-A20S schematic covering microphone, loudspeaker and earpiece circuits, a 4.63 MB PDF.

    Schematic · 4.63 MB · 2 Apr 2026
    Schematic pdf
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    4.63 MB
  • SM-A20S LCD

    LCD circuit page from the Samsung SM-A20S schematic, provided as a 4.63 MB PDF. It documents the display connector pinout, the display data interface lines and the…

    Schematic · 4.63 MB · 2 Apr 2026
    Schematic pdf
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    4.63 MB
  • SM-A20S LCD LIGHT

    Samsung SM-A20S schematic section dedicated to the LCD backlight, 4.62 MB PDF. It covers the backlight driver circuit, its boost coil, diode and capacitors, and the…

    Schematic · 4.62 MB · 2 Apr 2026
    Schematic pdf
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    4.62 MB
  • SM-A20S HANDSFREE

    Handsfree (headset) section of the Samsung SM-A20S schematic, a 2.07 MB PDF. It shows the headphone jack connections, detection line, audio left and right outputs and…

    Schematic · 2.07 MB · 2 Apr 2026
    Schematic pdf
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    2.07 MB
  • SM-A20S FRONT CAMERA

    Front camera page of the Samsung SM-A20S schematic, supplied as a 4.63 MB PDF. It lays out the selfie camera connector, its supply rails, clock and data lines, and…

    Schematic · 4.63 MB · 2 Apr 2026
    Schematic pdf
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    4.63 MB
  • SM-A20S COMPONENT NAME

    Component name reference for the Samsung SM-A20S, distributed as a 4.63 MB PDF in the same schematic set.

    Schematic · 4.63 MB · 2 Apr 2026
    Schematic pdf
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    4.63 MB
  • SM-A20S CHARGER & DATA

    Charging and data section of the Samsung SM-A20S schematic, a 4.63 MB PDF. It traces the USB connector, charging IC, VBUS path, data lines and the protection components…

    Schematic · 4.63 MB · 2 Apr 2026
    Schematic pdf
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    4.63 MB
  • SM-A20S BACK CAMERA 13MP WIDE

    Schematic section for the 13 MP wide rear camera of the Samsung SM-A20S, provided as a 4.64 MB PDF.

    Schematic · 4.64 MB · 2 Apr 2026
    Schematic pdf
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    4.64 MB
  • SM-A20S BACK CAMERA 8MP ULTRAWIDE

    Samsung SM-A20S schematic page for the 8 MP ultrawide rear camera, a 4.64 MB PDF. It covers the ultrawide module connector, its supply voltages, clock and data interface…

    Schematic · 4.64 MB · 2 Apr 2026
    Schematic pdf
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    4.64 MB
  • SM-A20S BACK CAMERA 5MP DEPTH

    Depth camera section of the Samsung SM-A20S schematic, the 5 MP rear sensor, as a 4.63 MB PDF.

    Schematic · 4.63 MB · 2 Apr 2026
    Schematic pdf
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    4.63 MB
  • Schematic pdf
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    1.97 MB
  • SAMSUNG A21S ESQUEMATICO 240821 084427
    Schematic · 5.26 MB · 1 Apr 2026
    Schematic pdf
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    5.26 MB
  • Troubleshooting
    Schematic · 2.68 MB · 1 Apr 2026
    Schematic pdf
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    2.68 MB
  • SM-A12 WIFI BT GPS

    Schematic section for the Samsung Galaxy A12 (SM-A12) covering the Wi-Fi, Bluetooth and GPS circuitry, provided as a 3.40 MB PDF.

    Schematic · 3.40 MB · 31 Mar 2026
    Schematic pdf
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    3.40 MB
  • SM-A12 TOUCHSCREEN

    Galaxy A12 (SM-A12) touchscreen circuit diagram in a 3.36 MB PDF. It covers the touch panel connector, its supply voltages and the interface lines toward the processor…

    Schematic · 3.36 MB · 31 Mar 2026
    Schematic pdf
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    3.36 MB
  • SM-A12 SIM CARD

    SIM card reader section of the Samsung SM-A12 (Galaxy A12) schematic, a 3.36 MB PDF. Technicians consult it for no-SIM or SIM-not-detected faults, tracing the card…

    Schematic · 3.36 MB · 31 Mar 2026
    Schematic pdf
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    3.36 MB
  • SM-A12 SD CARD

    Schematic extract for the microSD card slot of the Samsung Galaxy A12, model series SM-A12, supplied as a 3.35 MB PDF.

    Schematic · 3.35 MB · 31 Mar 2026
    Schematic pdf
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    3.35 MB
  • SM-A12 ON OFF VOL

    Power and volume key circuit for the Samsung SM-A12 (Galaxy A12), presented as a 3.39 MB PDF schematic section.

    Schematic · 3.39 MB · 31 Mar 2026
    Schematic pdf
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    3.39 MB
  • SM-A12 NETWORK

    Network and cellular RF section of the Samsung Galaxy A12 (SM-A12) schematic, 3.40 MB PDF.

    Schematic · 3.40 MB · 31 Mar 2026
    Schematic pdf
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    3.40 MB
  • SM-A12 MIC SPK EAR

    Audio schematic section for the Samsung SM-A12 covering the microphones, loudspeaker and earpiece, delivered as a 3.40 MB PDF.

    Schematic · 3.40 MB · 31 Mar 2026
    Schematic pdf
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    3.40 MB
  • SM-A12 LCD

    Display circuitry of the Samsung Galaxy A12 (SM-A12) in a 3.40 MB PDF schematic. It covers the LCD connector, panel supply rails and the display interface toward the…

    Schematic · 3.40 MB · 31 Mar 2026
    Schematic pdf
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    3.40 MB
  • SM-A12 LCD LIGHT

    LCD backlight section of the Samsung SM-A12 (Galaxy A12) schematic, provided as a 3.40 MB PDF.

    Schematic · 3.39 MB · 31 Mar 2026
    Schematic pdf
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    3.39 MB
  • SM-A12 HANDSFREE

    Handsfree and headset audio section of the Samsung Galaxy A12 (SM-A12) schematic, 3.39 MB PDF.

    Schematic · 3.39 MB · 31 Mar 2026
    Schematic pdf
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    3.39 MB
  • SM-A12 FRONT CAMERA

    Front camera circuit of the Samsung SM-A12 (Galaxy A12), supplied as a 3.36 MB PDF schematic section.

    Schematic · 3.36 MB · 31 Mar 2026
    Schematic pdf
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    3.36 MB
  • SM-A12 FINGERPRINT

    Fingerprint sensor section of the Samsung Galaxy A12 (SM-A12) schematic, 3.40 MB PDF. It shows the sensor connector, supply rails and interface lines, the reference for…

    Schematic · 3.40 MB · 31 Mar 2026
    Schematic pdf
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    3.40 MB
  • SM-A12 COMPONENT NAME

    Component name reference for the Samsung SM-A12 (Galaxy A12), a 3.36 MB PDF in the schematic set.

    Schematic · 3.36 MB · 31 Mar 2026
    Schematic pdf
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    3.36 MB
  • SM-A12 CHARGER & DATA

    Charging and data circuit for the Samsung Galaxy A12 (SM-A12) in a 3.39 MB PDF schematic section.

    Schematic · 3.39 MB · 31 Mar 2026
    Schematic pdf
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    3.39 MB
  • SM-A12 BACK CAMERA 48MP WIDE

    First part of the 48 MP wide rear camera schematic for the Samsung SM-A12 (Galaxy A12), a 1.77 MB PDF.

    Schematic · 1.77 MB · 31 Mar 2026
    Schematic pdf
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    1.77 MB
  • SM-A12 BACK CAMERA 48 MP WIDE

    Second part of the 48 MP wide rear camera section for the Samsung Galaxy A12 (SM-A12), supplied as a 3.36 MB PDF.

    Schematic · 3.36 MB · 31 Mar 2026
    Schematic pdf
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    3.36 MB
  • SM-A12 BACK CAMERA 5MP ULTRAWIDE

    Schematic section for the 5 MP ultra-wide rear camera of the Samsung SM-A12 (Galaxy A12), a 3.36 MB PDF.

    Schematic · 3.36 MB · 31 Mar 2026
    Schematic pdf
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    3.36 MB
  • SM-A12 BACK CAMERA 2 MP MACRO

    Schematic excerpt for the Samsung SM-A12 covering the 2 MP macro rear camera circuit, supplied as a 3.36 MB PDF.

    Schematic · 3.36 MB · 31 Mar 2026
    Schematic pdf
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    3.36 MB
  • SM-A12 BACK CAMERA 2 MP DEPTH

    Samsung SM-A12 schematic section dedicated to the 2 MP depth rear camera, provided as a PDF of 3.36 MB.

    Schematic · 3.36 MB · 31 Mar 2026
    Schematic pdf
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    3.36 MB
  • SM-A11 WIFI BT GPS

    Wireless section of the Samsung SM-A11 schematic, covering the WiFi, Bluetooth and GPS circuitry, in a 4.34 MB PDF.

    Schematic · 4.34 MB · 31 Mar 2026
    Schematic pdf
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    4.34 MB
  • SM-A11 TOUCHSCREEN

    Touchscreen circuit pages from the Samsung SM-A11 schematic, delivered as a PDF of 4.33 MB.

    Schematic · 4.33 MB · 31 Mar 2026
    Schematic pdf
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    4.33 MB

About phone schematics

Phone boards are dense, multi-layer and often stacked, so a schematic alone is rarely enough — most technicians pair a PDF schematic with a boardview tool that highlights a net across both sides of the board.

Search by the model code (for example SM-A515F or A2221) rather than by the marketing name: one retail name can hide several board variants with different PMICs and RF sections.