Yes, i know, svntyx just started an another topic with similar content, but better to get the information in the English below-the-sub-forum section...
The source is This thread, which is belong to the German forum section. It's a very-very useful information-mine, because the game itself do not bring proper information to you which component where can be unlocked.
Basically there is two technology unlocks exits, several based on the character level, and to get the advanced parts, in Phase 3/4 you need to accomplish certain operation(s). Because of this, it's pointless to buy VIIB or VIIC parts in Phase 2!!! (That's what drive me to make this topic, because in the game i only read: XY parts are unlocked in Phase 3/4. And don't understand what is really need to be done to unlock these parts... Yes, i buy all the parts what can be bought in the Phase 2, and do anything to reach phase 3... where i surprisingly won't get any new technology)
The translate is far from perfect, like some of the operation names hardly can imagine how sound in English. Still, i believe it's better than nothing...
VII-A
- Ship's propeller
- Axes / Ship's propeller VII A38 ; Lvl 14
- Axes / Ship's propeller VII B38 / 2; Phase III > North Atlantic > North Sea Strait
- Electric engine
- BBC GG UB 720/8 ; Lvl 18
- AEG GU 460/8-276 ; Lvl 20
- Rudder
- Type VII A38 rudder ; Lvl 13
- Type VII B38/2 rudder; Phase III > closure > Southern . Barrier I / II blockade Irish
- Flak
- 2 -cm Flak ; Lvl 9
- 2 -cm Zwillingsflak ; Lvl 25
- 3.7 -cm Flak ; Lvl 30
- deck gun
- 88mm deck gun , Lvl 17
- diesel
- 6 cylinder diesel engine MAN , 2 x 1,160 hp; Lvl 15
- 6 cylinder diesel engine MAN , 2 x 1,400 hp; Phase III > North Atlantic > The Hebrides II / Torshavn
- Sonar
- Sonar VII; Lvl 16
- Fuel tank
- Fuel tank VII A , Lvl 14
- diving tanks
- Diving VII D38 cells ; Lvl 15
- Diving VII D40 cells ; Lvl 23
- pressure hull
- Pressure hull Type VII A , Lvl 13
- periscope
- Optics 39/VII ; Lvl 16
- batteries
- 27 batteries MAK 740; Lvl 18
- 33 MAL 800 batteries ; Lvl 22
- Hydrophone
- GHG 2x11/VII ; Lvl 17
- GHG 2x16/II ; Phase III > North Atlantic > The Hebrides I / Scapa Flow
VII-B
- Ship's propeller
- Axes / Ship's propeller VII B38 / 2; Phase III > North Atlantic > North Sea Strait
- Electric engine
- BBC GG UB 720/8 ; Lvl 18
- AEG GU 460/8-276 ; Lvl 20
- Rudder
- Type VII B38/2 rudder; Phase III > closure > Southern . Barrier I / II blockade Irish
- Flak
- 2 -cm Flak ; Lvl 9
- 2 -cm Zwillingsflak ; Lvl 25
- 3.7 -cm Flak ; Lvl 30
- deck gun
- 88mm deck gun , Lvl 17
- diesel
- 6 cylinder diesel engine MAN , 2 x 1,400 hp; Phase III > North Atlantic > The Hebrides II / Torshavn
- Sonar
- Sonar VII; Lvl 16
- Fuel tank
- Fuel tank VII B , Phase III > closure > British blockade of I / Irish blockade I
- diving tanks
- Diving VII D38 cells ; Lvl 15
- Diving VII D40 cells ; Lvl 23
- pressure hull
- Pressure hull Type VII B , Phase III > closure > Celtic Sea
- periscope
- Optics 39/VII ; Lvl 16
- batteries
- 27 batteries MAK 740; Lvl 18
- 33 MAL 800 batteries ; Lvl 22
- Hydrophone
- GHG 2x11/VII ; Lvl 17
- GHG 2x16/II ; Phase III > North Atlantic > The Hebrides I / Scapa Flow
VII-C
- Ship's propeller
- Axes / Ship's propeller VII B38 / 2; Phase III > North Atlantic > North Sea Strait
- Electric engine
- AEG GU 460/8-276 ; Lvl 20
- Rudder
- Type VII B38/2 rudder; Phase III > closure > Southern . Barrier I / II blockade Irish
- Flak
- 2 -cm Zwillingsflak ; Lvl 25
- 3.7 -cm Flak ; Lvl 30
- radar
- Fumo 29 radar I; Lvl 24
- 30 radar Fumo II ; [U] Lvl 29 [ / U]
- Snorkel
- I snorkel , ring valve ; Phase IV > Mid-Atlantic > Freetown route (installation not required)
- II snorkel , electro , Phase IV > 2 North Atlantic > Reykjavik (installation not required)
- deck gun
- 88mm deck gun , Lvl 17
- 10,5 cm deck gun , Phase IV > Arctic route > Norwegian coast
- diesel
- 6 cylinder diesel engine MAN , 2 x 1,400 hp; Phase III > North Atlantic > The Hebrides II / Torshavn
- 6 cylinder diesel engine MAN , 2 x 2,200 hp; Phase IV > Mid-Atlantic > Costa Verde
- Sonar
- Sonar VII; Lvl 16
- Fuel tank
- Fuel tank VII C, Lvl 21
- diving tanks
- Diving VII D40 cells ; Lvl 23
- Diving VII D42 cells ; ?
- pressure hull
- Pressure hull Type VII C, Lvl 19
- periscope
- Optics 39/VII ; Lvl 16
- batteries
- 33 MAL 800 batteries ; Lvl 22
- Hydrophone
- GHG 2x11/VII ; Lvl 17
- GHG 2x16/II ; Phase III > North Atlantic > The Hebrides I / Scapa Flow
- GHG 2x24 ; Phase IV > 2 North Atlantic > Torshavn II
- GHG 4x48 ; Phase IV > Mid-Atlantic > Freetown
VII-C/41
- Ship's propeller
- Axes / Ship's propeller VII B38 / 2; Phase III > North Atlantic > North Sea Strait
- Electric engine
- SW GU 343/38-8 ; Lvl 27
- Rudder
- Type VII B38/2 rudder; Phase III > closure > Southern . Barrier I / II blockade Irish
- Flak
- 3.7 -cm Flak ; Lvl 30
- radar
- 30 radar Fumo II ; Lvl 29
- Snorkel
- I snorkel , ring valve ; Phase IV > Mid-Atlantic > Freetown route (installation not required)
- II snorkel , electro , Phase IV > 2 North Atlantic > Reykjavik (installation not required)
- Snorkel III , " Oelfken snorkel " , Phase IV > Arctic route > Bergen (installation not required)
- deck gun
- 88mm deck gun , Lvl 17
- 10,5 cm deck gun , Phase IV > Arctic route > Norwegian coast
- diesel
- 6 cylinder diesel engine MAN , 2 x 1,400 hp; Phase III > North Atlantic > The Hebrides II / Torshavn
- 6 cylinder diesel engine MAN , 2 x 2,200 hp; Phase IV > Mid-Atlantic > Costa Verde
- Sonar
- Sonar VII; Lvl 16
- Fuel tank
- Fuel tank VII C, Lvl 21
- diving tanks
- Diving VII D40 cells ; Lvl 23
- Diving VII D42 cells ; ?
- pressure hull
- Pressure hull Type VII C/41 ; Lvl 26
- periscope
- Optics 39/VII ; Lvl 16
- Optics 43/VII ; Phase IV > Mid-Atlantic > The Azores
- batteries
- 35 MAL 820 batteries ; Lvl 28
- Hydrophone
- GHG 2x11/VII ; Lvl 17
- GHG 2x16/II ; Phase III > North Atlantic > The Hebrides I / Scapa Flow
- GHG 2x24 ; Phase IV > 2 North Atlantic > Torshavn II
- GHG 4x48 ; Phase IV > Mid-Atlantic > Freetown
VII-C/42
- Ship's propeller
- Axes / Ship's propeller VII B38 / 2; Phase III > North Atlantic > North Sea Strait
- Axle and propellers Type VII E44 ; Phase IV > Mid-Atlantic > Gibraltar
- Electric engine
- SW GU 343/38-8 ; Lvl 27
- Rudder
- Type VII B38/2 rudder; Phase III > closure > Southern . Barrier I / II blockade Irish
- Rudder VII E44 ; Phase IV > Arctic route > Faroe Close
- Flak
- 2 -cm Vierlingsflak ; Phase IV > Route Arctic > Arctic channel
- radar
- 30 radar Fumo II ; Lvl 29
- Fumo 61 Radar III, Phase IV > 2 North Atlantic > Northern Lights III
- Snorkel
- I snorkel , ring valve ; Phase IV > Mid-Atlantic > Freetown route
- II snorkel , electro , Phase IV > 2 North Atlantic > Reykjavik
- Snorkel III , " Oelfken snorkel " , Phase IV > Arctic route > Bergen
- Snorkel IV , " Wesch " radar camouflage ; Phase IV > Arctic route > Greenland Road II
- diesel
- 6 cylinder diesel engine MAN , 2 x 2,200 hp; Phase IV > Mid-Atlantic > Costa Verde
- Sonar
- SU Nibelung sonar II ; Phase IV > Mid-Atlantic > Cape Verde
- Fuel tank
- Fuel tank VII C/42 ; Phase IV > Mid-Atlantic > Spanish route
- diving tanks
- Diving VII D42 cells ; ?
- Diving VII D44 cells ; Phase IV > 2 North Atlantic Ocean > Islands Coast
- pressure hull
- Pressure hull Type VII C/42 ; Phase IV > Arctic route > ice
- periscope
- Optics 39/VII ; Lvl 16
- Optics 43/VII ; Phase IV > Mid-Atlantic > The Azores
- batteries
- 35 MAL 820 batteries ; Lvl 28
- Hydrophone
- GHG 2x24 ; Phase IV > 2 North Atlantic > Torshavn II
- GHG 4x48 ; Phase IV > Mid-Atlantic > Freetown
VII-E
- Ship's propeller
- Axle and propellers Type VII E44 ; Phase IV > Mid-Atlantic > Gibraltar
- Electric engine
- SW GU 343/38-8 ; Lvl 27
- Rudder
- Rudder VII E44 ; Phase IV > Arctic route > Faroe Close
- Flak
- 2 -cm Vierlingsflak ; Phase IV > Route Arctic > Arctic channel
- radar
- 30 radar Fumo II ; Lvl 29
- Fumo 61 Radar III, Phase IV > 2 North Atlantic > Northern Lights III
- Snorkel
- Snorkel III , " Oelfken snorkel " , Phase IV > Arctic route > Bergen
- Snorkel IV , " Wesch " radar camouflage ; Phase IV > Arctic route > Greenland Road II
- anti - sonar coating
- Alberich anti- sonar coating ; Phase IV > 2 North Atlantic > Ivittuut (installation not required)
- deck gun
- 88mm deck gun , Lvl 17
- diesel
- 12 cylinder Deutz diesel engine , 2 x 2,000 hp; Phase IV > 2 North Atlantic > Northern Light I
- Sonar
- SU Nibelung sonar II ; Phase IV > Mid-Atlantic > Cape Verde
- Fuel tank
- Fuel tank VII E , Phase IV > Arctic route > Northern node
- diving tanks
- Diving VII D44 cells ; Phase IV > 2 North Atlantic Ocean > Islands Coast
- Diving VII D42 cells; Phase IV > Mid-Atlantic > Spain's Coast
- pressure hull
- Pressure hull Type VII E , Phase IV > 2 North Atlantic > Iceland - node
- periscope
- Optics 39/VII ; Lvl 16
- Optics 43/VII ; Phase IV > Mid-Atlantic > The Azores
- batteries
- 35 MAL 820 batteries ; Lvl 28
- Hydrophone
- GHG 2x24 ; Phase IV > 2 North Atlantic > Torshavn II
- GHG 4x48 ; Phase IV > Mid-Atlantic > Freetown
And i now leave this game for a while, because too much disappointment (like the absence of basic information's in the English game and forum) occurred to me in the recent times, see you old sea dogs in the future!


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