Section 3 of the Samsung SM-B310E service manual, the exploded view and parts list, in a 219 KB RAR.

Compact schematic package for the basic Nokia 1280 feature phone, type RM-647, about 137 KB as a RAR archive.

Schematic for the Samsung E1085L, a basic feature phone, in an 852 KB PDF file. Only the model appears in the name, without a board revision.

Package of T.VST29.03 universal TV board firmware built for a seven-key button panel, as the name indicates.

General-purpose V59 board firmware, variant 031, for a 1600x900 panel with mirrored picture and a seven-key keypad, per the name.

Schematic for the Samsung Metro 312, model SM-B312EH, a dual-SIM keypad phone, delivered as a 3.46 MB PDF. No board revision is given.

Schematic for the Samsung SGH-C170 mobile phone, stored as a 387 KB PDF. No board revision is stated in the name.

Schematic document for the Nokia 5510, a phone with a full QWERTY-style keypad, stored as a PDF of about 1012 KB.

ZIP archive of 878 MB that appears to contain TV firmware for a board tagged TP.SK529S.PB803, with A1 and C revision markings, IR, SZKY, AP and 45KEY tokens, a build…

Service schematic for the Sony Ericsson Z320i mobile phone, PDF documents packed in a 2.7 MB RAR archive.

Nokia 6680 circuit schematics stored as a 1.48 MB PDF for this 3G Symbian phone. The name carries no board number or revision, so compare your main board marking with…

Nokia 6200 schematic diagrams provided as a 946 KB PDF. Only the model name is given, with no board code or revision, so compare the PCB markings against the sheets.

Nokia E66 slider phone schematics in a 979 KB PDF. The name gives the model only, with no board number or revision, so match the main board label against the drawings…

Circuit schematic for the classic Nokia 6210 handset, saved as a 779 KB PDF document. For older phones like this, diagrams are especially useful because replacement…

Schematic for the Nokia 6280 slider phone, provided as a 987 KB PDF file. The pages let a technician follow supply voltages out of the power management chip, check the…

Schematic diagrams for the Nokia N80 slider smartphone, delivered as a 1.97 MB PDF. The file name does not mention a board code or revision, so compare the PCB markings…

Samsung Galaxy J2 schematic for the SM-J200F model, supplied as a 746 KB PDF. Technicians rely on such diagrams to trace supply rails, identify the charging IC and its…

Datasheet covering the 74HC164 and 74HCT164, an 8-bit serial-in, parallel-out shift register without output latches.

Samsung C3322 schematic, a 937 KB PDF for this dual-SIM feature phone. The name states no board revision.

Schematic diagrams for the Nokia 6220 handset in a 1.58 MB PDF. Neither board code nor revision appears in the name, so verify the PCB label against the document before…

Schematic diagrams for the Nokia 7210 colour-screen phone, a 4.56 MB PDF. The name provides only the model, with no board number or revision, so confirm the main board…

Schematic for a Nokia phone listed as model 26110 in a 1.87 MB PDF. The number as written does not match a familiar Nokia model, so it may be a typo for another handset…

Second document of the Nokia 6310 schematics, a compact 835 KB PDF for this classic GSM handset.

Nokia 3390 schematic file, 911 KB, saved as PDF with an uppercase extension. Only the model appears in the name, with no board revision or version.

Nokia 1100 schematic, marked as version 3 in the name, in an 804 KB PDF. The version tag likely refers to the document or board revision, so check it matches the phone…

Service schematic for the Nokia N76 mobile phone, supplied as a PDF in a RAR archive. Phone schematics like this show the power management IC, charging path, display and…

Service schematic for the Nokia E65 slider phone in a 620 KB PDF, likely the first or main sheet set alongside a separate second file.

Circuit diagrams for the Nokia N82 camera smartphone, stored as a 2.39 MB PDF. Only the model appears in the name, without board number or revision, so compare the label…

Service schematic for the Nokia N79 slider phone, supplied as a 6.39 MB PDF document. The pages are useful for following power distribution from the battery and power…

Nokia 6650 circuit diagrams in a 474 KB PDF document, for one of the early 3G WCDMA handsets.

Nokia 6030 handset schematics stored as a 942 KB PDF. Beyond the model number the name gives no revision or board identification.

Schematic set for the BlackBerry 9700 smartphone, the Bold model, in a 797 KB RAR. The name gives only the model number with no board revision.

Schematics for the BlackBerry 9500 phone, the Storm GSM model, in a compact 780 KB RAR. The name lists only the model, without board number or revision.