Named for the 2SD2462, this 184 KB PDF is effectively a datasheet for a Japanese-registered transistor.

Component sheet covering the 3N254, delivered as a 42.2 KB PDF and indexed as a schematic. JEDEC numbers beginning with 3N denote registered devices having four leads.

Datasheet PDF of 114 KB for the 2SK2616, a part named under the Japanese JIS scheme for N-channel field-effect transistors.

Reference sheet for the 2SA1814 transistor, supplied as an 84.8 KB PDF. The 2SA designation in Japanese JIS numbering means a PNP bipolar device, so the document should…

Android APK of the Chinese TV streaming app 电视家 (Dianshijia), version 3.10.25, labelled as an ad-free VIP build, size 19.3 MB.

Schematic in PDF, about 420 KB, named only SEM2105, so the name does not identify a laptop model or board number.

Circuit diagrams for the BlackBerry 9530, the Storm touchscreen handset, supplied as a 783 KB RAR. No revision or board code appears in the name.

Boardview for the standard ASUS P5KPL-AM motherboard at revision 2.03G, packed in a 99 KB RAR.

Apple iPad schematic, 1.26 MB PDF, whose name says full schematic but does not specify the generation or board number.

BIOS image for the Samsung NP270E5V-K series laptop; the name gives no motherboard number or firmware version.

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…

Compact 121 KB PDF named 27l4100, catalogued as a schematic but resembling the part number of a low-voltage 27-series EPROM.

RAR archive named R7000L-64TC, 248 KB. The name carries only the model-like code and suffix 64TC, whose meaning is not stated, with no brand or board number.

RAR archive of 11.9 MB labelled 5420 officiel clean, which suggests an official BIOS build that has been cleaned, though the brand is not stated; 5420 is commonly a Dell…

Duplicate firmware dump named 6400I3, 8.00 MB in .bin format, with the I3 suffix left unexplained and no revision stated.

Inverter documentation, judging by the INVT suffix, for the SFD064VT2 part, 171 KB in PDF and catalogued as a datasheet.

Disassembly and reassembly chapter, section 6 of the Samsung SM-B310E service manual, in a 236 KB RAR.

Schematic diagram for the Samsung Galaxy A11, model A115F, in an 18.0 MB ZIP. The size suggests a fairly complete set of circuit sheets.

Firmware archive for a board identified only as NB8609 PCB MB V4, with no brand or model stated, which makes it hard to match with confidence.

Unlocked BIOS for the Toshiba Satellite L600D / P205D series on the Quanta DA0TE3MB6B0 mainboard.

Numerically named RAR archive, 108, with a size of 7.09 MB and no indication of device, brand or contents in the name.

Product specification chapter, part 2 of the Samsung GT-S7580 and GT-S7582 service documentation, as a 567 KB PDF.

Datasheet for a red 10 mm through-hole LED in a 517 KB PDF. The name lists no maker or part code, so the exact series has to be read from the document itself.

Unlabelled 16 MB BIOS image whose name suggests that the Intel Management Engine region has been cleaned.

PDF datasheet material for the 2SK2719, 325 KB, labelled as a schematic in the index. The 2SK designation is the Japanese JIS code for an N-channel field-effect…

Component documentation for the 2SJ343, supplied as a 337 KB PDF. Apart from the part number, the name gives no model, board or revision.

Listed as a schematic, this 183 KB PDF actually relates to the 2SC5259 part. JIS numbering places the 2SC prefix on NPN bipolar transistors, so the content is expected…

Filed among schematics, this 91.7 KB PDF is named 2764 with nothing else to identify brand or board.

RAR archive with BIOS firmware for the Acer Aspire One A110 and A150 netbooks, 639 KB. Both models are early Atom netbooks and are often grouped together, though the…

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…

Firmware archive for the TP-Link TD-W8961ND router at hardware version 2.1. Router firmware is hardware-version specific, so check the label under the unit before using…

Unlocked BIOS for a Sony machine using the GD1A board variant, packed as a 699 KB RAR. Unlocked images normally have the BIOS password removed so a locked laptop can be…

BIOS firmware for a G41M-VS3 desktop motherboard, an Intel G41 chipset board; the name gives no brand or version.

Merged firmware image for a 32-inch TV identified as LEO32HL, dated 1 February 2016. A merge file typically combines bootloader and main software into a single image…

Schematic document for the Huawei Honor 4x smartphone, provided as a 1.16 MB PDF; the name gives no board number or hardware revision.

Samsung SM-A910F disassembly document in PDF form, 1.51 MB. The name indicates step-by-step teardown instructions rather than circuit diagrams, covering removal of the…

Service schematic PDF for the Samsung Galaxy J7 handset with model code SM-J730FM, 3.34 MB in size.

Firmware package for the H50K66UG PLUS TV, carrying the 96020 code, panel reference DH1VLTD0001 and a Pakistan region build, with SFv1 in the name.